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TNPSC · Civil Engineering

TNPSC Civil Engineering 2025

2025 · 200 questions · First 10 Solutions Free
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Q1 mcq
Annual repairs is ________ of the total cost of construction.
a.
1% to 1.5% Correct Answer
b.
1.5% to 2.0%
c.
2.0% to 2.5%
d.
2.5% to 3.0%

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Q2 mcq
The written agreement to submit present (or) future difference to arbitration called
a.
Arbitration agreement Correct Answer
b.
Arbitration
c.
Arbitrator
d.
Joint Arbitrator

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Q3 mcq
The full form of N.I.T. is
a.
Notice Inviting Tenders Correct Answer
b.
Notice Information Tenders
c.
Notice Intake Tenders
d.
Notice Invoice Tenders

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Q4 mcq
Revised estimate is prepared when there is
a.
Addition of new work
b.
Deduction of existing work
c.
Changes in design
d.
Changes in quantity of materials and rate Correct Answer

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Q5 mcq
Item rate contract is also known as
a.
Target contract
b.
Unit-price contract Correct Answer
c.
Percentage rate contract
d.
Lump-sum contract

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Q6 mcq
The brickwork is not measured in cu.m in case of
a.
Brick work in arches
b.
Brick work in foundation
c.
Half brick work Correct Answer
d.
Reinforced brick work

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Q7 mcq
Which one of the following is not a scheduling tool?
a.
Piecharts Correct Answer
b.
Barcharts
c.
CPM
d.
PERT

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Q8 mcq
________ is the time span by which the starting (or finishing) of an activity can be delayed without delaying the completion of the project.
a.
Total float Correct Answer
b.
Free float
c.
Independent float
d.
Interfering float

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Q9 mcq
Unit of measurements of wooden doors and windows of shutters is
a.
m
b.
$m²$ Correct Answer
c.
$m³$
d.
lump-sum

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Q10 mcq
Which one of the following is not an event?
a.
Fixing of doors Correct Answer
b.
Design completed
c.
Concrete cured
d.
Brickwork laid

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Q11 mcq
Cost on account of material for a building should be
a.
50% to 60% of the whole building cost
b.
40% to 50% of the whole building cost
c.
60% to 65% of the whole building cost
d.
65% to 70% of the whole building cost
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Q12 mcq
In crashing of activities in a project, the first activity to be considered for crashing is
a.
Critical activity with maximum cost slope
b.
Critical activity with minimum cost slope
c.
Non-Critical activity with maximum cost slope
d.
Non-Critical activity with minimum cost slope
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Q13 mcq
The standard deviation used in the PERT
a.
$σ$ $=$ $√[Σ(t$ - $t_{m}$) / n]
b.
$σ$ $=$ $√[Σ(t$ - $t_{m})³$ / n]
c.
$σ$ $=$ $√[Σ(t$ - $t_{m})⁴$ / n]
d.
$σ$ $=$ $√[Σ(t$ - $t_{m})²$ / n]
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Q14 mcq
The main objective of planning is to execute the project.
a.
Most economically and in time
b.
Only timely completion
c.
Only most economically
d.
Economically and safely
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Q15 mcq
The process of incorporating changes and rescheduling or replanning is known as
a.
Resource allocation
b.
Resource smoothing
c.
Updating
d.
Resource levelling
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Q16 mcq
The type of canal lining for permissible maximum velocity of 1.5 m/s is
a.
Cement concrete
b.
Tile lining
c.
Lime concrete lining
d.
Boulder lining
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Q17 mcq
Alkaline soils are best reclaimed by
a.
Leaching
b.
Addition of gypsum to soil
c.
Providing good drainage
d.
Addition of gypsum to soil and leaching
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Q18 mcq
The following is not a remedial measure for water logging
a.
Good drainage for irrigated land
b.
Conjunctive use of water in the basin
c.
Lining of canals and water courses
d.
Contour bunding
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Q19 mcq
The hydraulic methods of flood routing use
a.
Equation of continuity only
b.
Both the equation of motion and equation of continuity
c.
Energy equation only
d.
Equation of motion only
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Q20 mcq
Which of the following is the muskingum storage equation?
a.
S $=$ K[xQ + (1 - x)I]
b.
S $=$ K[xQ - (1 - x)I]
c.
S $=$ K[xI + (1 - x)Q]
d.
S $=$ K[xI - (1 - x)Q]
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Q21 mcq
The garret's diagrams are based on
a.
Lacey's theory
b.
Khosla's theory
c.
Kennedy's theory
d.
Bligh's theory
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Q22 mcq
The chemical used to control reservoir evaporation is
a.
Ethyl alcohol
b.
Methyl alcohol
c.
Cetyl alcohol
d.
Butyl alcohol
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Q23 mcq
Dicken's formula for determination of peak discharge $(Q_{p}$)
a.
$Q_{p}$ $=$ C $A^{2/3}$ where C $=$ Constant, A $=$ Catchment area in $km²$
b.
$Q_{p}$ $=$ C $A^{3/4}$ where C $=$ Constant, A $=$ Catchment area in $km²$
c.
$Q_{p}$ $=$ C $A^{3/2}$ where C $=$ Constant, A $=$ Catchment area in $km²$
d.
$Q_{p}$ $=$ C $A^{4/3}$ where C $=$ Constant, A $=$ Catchment area in $km²$
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Q24 mcq
A major irrigation project has cultural command area of
a.
5000 hectare
b.
7000 hectare
c.
10,000 hectare
d.
Over 10,000 hectare
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Q25 mcq
The method of growing crops on ridges, running on the sides of water ditches, is known as
a.
Flood irrigation
b.
Check flooding
c.
Furrow irrigation
d.
Drip irrigation
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Q26 mcq
The specific speed of pump is expressed as
a.
$N√Q$ / $H^{5/4}$
b.
$N√Q$ / $H^{3/4}$
c.
$N√P$ / $H^{5/4}$
d.
$N√P$ / $H^{3/4}$
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Q27 mcq
The word unit hydrograph refers to the
a.
Unit depth of run off with unit depth
b.
Unit duration with unit depth of the storm
c.
Unit period of the hydrograph
d.
Unit area of the basin
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Q28 mcq
________ analysis is used to predict the future flood events by using the past observed data.
a.
Design storm
b.
Dickens formula
c.
Hyetograph
d.
Frequency
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Q29 mcq
The slope of equipotential line in a two dimensional flow field is
a.
dy/dx $=$ u/v
b.
dy/dx $=$ v/u
c.
dy/dx $=$ -u/v
d.
dy/dx $=$ -v/u
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Q30 mcq
The water year in India may be taken as
a.
From June to May
b.
From January to December
c.
From April to March
d.
From October to September
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Q31 mcq
The condition to be satisfied by the three routing coefficients of the muskingum method is
a.
C₀ + C₁ + C₂ $=$ 0
b.
C₀ + C₁ + C₂ $=$ 1
c.
C₀ C₁ C₂ $=$ 1
d.
C₀ - C₁ - C₂ $=$ 0
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Q32 mcq
In a Non-prismatic channel
a.
Unsteady flow is not possible
b.
Flow is not possible
c.
Uniform flow is not possible
d.
Flow is always uniform
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Q33 mcq
The coefficient of discharge of an orifice meter is ________ that of a venturimeter
a.
Equal to
b.
Much more than
c.
Much smaller than
d.
Half
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Q34 mcq
According to Bernoulli's equation, C equals
a.
Z + P + V $=$ C
b.
Z + P/w + V/g $=$ C
c.
Z + P/w + $V²/g$ $=$ C
d.
Z + P/w + $V²/(2g$) $=$ C
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Q35 mcq
A grid obtained by drawing a series of stream lines and equipotential lines is known as
a.
Stream tube
b.
Streak line
c.
Circulation
d.
Flow net
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Q36 mcq
A wooden pile is being driven with a drophammer weighing 20 kN and having a free fall of 1.0 m. The penetration in the last blow is 5 mm. Determine the load carrying capacity of the pile according to the Engineering News formula
a.
0.11 kN
b.
1.10 kN
c.
11.10 kN
d.
111.10 kN
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Q37 mcq
The allowable load on a single pile is: (i) 2/3 of final load at which total settlement is 12 mm (ii) 50% of final load at which total settlement is 10% of pile diameter (iii) Lesser of (i) or (ii) (iv) Greater of (i) or (ii)
a.
(iv)
b.
(iii)
c.
(ii)
d.
(i)
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Q38 mcq
What is the name of the piles that are driven at an inclination to resist large lateral or inclined forces?
a.
Batter piles
b.
Sheet piles
c.
Anchor piles
d.
Fender piles
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Q39 mcq
The group efficiency of piles can be greater than one, when the piles are
a.
Driven into the loose sand
b.
Driven into the dense sand
c.
Driven into the soft clay
d.
Driven into the stiff clay
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Q40 mcq
Terzaghi approximate equations for the bearing capacity of circular footing is
a.
$q_{u}$ $=$ 1.2 C $N_{c}$ + q $N_{q}$ + 0.4 $γ$ B $N_γ$
b.
$q_{u}$ $=$ 1.2 C $N_{c}$ + q $N_{q}$ + 0.3 $γ$ B $N_γ$
c.
$q_{u}$ $=$ 2.3 C $N_{c}$ + q $N_{q}$ + 0.5 $γ$ B $N_γ$
d.
$q_{u}$ $=$ 2.3 C $N_{c}$ + q $N_{q}$ + 0.8 $γ$ B $N_γ$
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Q41 mcq
Very deep footing in dense sand, the type of shear failure is
a.
General Shear Failure
b.
Local Shear Failure
c.
Punching Shear Failure
d.
Clay Shear Failure
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Q42 mcq
Identify the incorrect statement: Bearing capacity of a footing on sand depends on
a.
Position of Water Table
b.
Width of footing
c.
Depth of footing
d.
Undrained shear strength
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Q43 mcq
For undisturbed soil samples, the area ratio of the sampler should be less than?
a.
20%
b.
50%
c.
15%
d.
10%
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Q44 mcq
The net ultimate bearing capacity of a purely cohesive soil
a.
depends on the width of the footing and is independent of the depth of the footing
b.
depends on the depth of the footing and is independent of the width of the footing
c.
depends on the width of the footing as well as on the depth of the footing
d.
is independent of the width as well on the depth of the footing
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Q45 mcq
The bearing capacity factors $N_{c}$, $N_{q}$ and $N_γ$ are functions of?
a.
width and depth of footing
b.
density of soil
c.
cohesion of soil
d.
angle of internal friction of soil
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Q46 mcq
In a compaction test if the compacting effort is increased, it will result in
a.
increase in maximum dry density and OMC
b.
increase in maximum dry density but OMC remains unchanged
c.
increase in maximum dry density and decrease in OMC
d.
no change in dry density but decrease in OMC
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Q47 mcq
In direct shear test, the angle made by the failure plane with respect to horizontal plane is (ϕ is the angle of internal friction)
a.
0
b.
45° - ϕ/2
c.
45° + ϕ/2
d.
90°
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Q48 mcq
In the modified proctor test the drop height of the rammer is
a.
30 cm
b.
45 cm
c.
60 cm
d.
75 cm
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Q49 mcq
If $q_{u}$ is unconfined compressive strength of the clay soil, then shear strength of the clay soil is
a.
$q_{u}$
b.
2 $q_{u}$
c.
$q_{u}$ / 2
d.
$q_{u}$ / 4
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Q50 mcq
Unconfined compressive strength test is a
a.
drained test
b.
undrained test
c.
consolidated undrained test
d.
unconsolidated undrained test
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Q51 mcq
The co-efficient of permeability of a soil
a.
increases with an increase in temperature
b.
increases with a decrease in temperature
c.
increases with a decrease in unit weight of water
d.
decreases with increase in void ratio
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Q52 mcq
The co-efficient of consolidation is measured in
a.
$cm²/gm$
b.
$cm²/sec$
c.
$gm/cm²/sec$
d.
$cm²/gm/sec$
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Q53 mcq
For a consolidating stratum, the ratio between the time for 100% consolidation and that for 50% consolidation is equal to
a.
0.197
b.
2.0
c.
5.076
d.
infinity
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Q54 mcq
A coarse grained soil has a void ratio of 0.78 and specific gravity as 2.67. Calculate the critical gradient at which quick sand condition will occur
a.
1
b.
0.78
c.
0.67
d.
0.94
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Q55 mcq
The expression for the vertical stress at a point 'p' using Newmark's Chart is?
a.
I $×$ n $×$ q
b.
(I $×$ n) / q
c.
(I $×$ q) / n
d.
(q $×$ n) / I
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Q56 mcq
Which one of the following gives the correct decreasing order of the densities of a soil sample?
a.
saturated, submerged, wet, dry
b.
saturated, wet, submerged, dry
c.
saturated, wet, dry, submerged
d.
wet, saturated, submerged, dry
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Q57 mcq
Stoke's law is applicable when the smallest effective diameter of the particle is
a.
0.0002 mm
b.
0.002 mm
c.
0.02 mm
d.
0.2 mm
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Q58 mcq
Soils are formed by dissolve of calcium carbonate and washed out from the rocks by rainfall, thus resulting in decomposition of rocks is called
a.
Hydration
b.
Carbonation
c.
Oxidation
d.
Leaching
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Q59 mcq
________ is the measure of loss of strength with remoulding without change in water content.
a.
Compressibility
b.
Sensitivity
c.
Stability
d.
Cohesion
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Q60 mcq
A soil has liquid limit of 60%, plastic limit of 35% and shrinkage limit of 20% and it has a natural moisture content of 50%. The liquidity index of soil is
a.
1.5
b.
1.25
c.
0.6
d.
0.4
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Q61 mcq
Which one of the following does not depend on the strength of the signal in remote sensing?
a.
Altitude
b.
Absorption
c.
Dwell time
d.
Energy flux
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Q62 mcq
The new version of total stations measures distance using
a.
Intermitent signal
b.
Carrier waves
c.
Red laser
d.
Electromagnetic waves
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Q63 mcq
Choose the correct statement from the following. In geodetic observations,
a.
Co-eff of refraction varies roughly between 6 to 8
b.
Co-eff of refraction is greatest at early morning
c.
Value of co-eff of refraction diminishes until 4 pm
d.
After 4 pm co-eff of refraction remains constant
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Q64 mcq
A branch of surveying where horizontal and vertical distances are measured without chain or tape is known as
a.
Refraction survey
b.
Tacheometry survey
c.
Terrestrial survey
d.
Trigonometric levelling
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Q65 mcq
Phase correction is related with
a.
Chain survey
b.
Tacheometric survey
c.
Hydrographic survey
d.
Triangulation survey
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Q66 mcq
Which of the following is the correct formula when both angles are angles of depression in the tangential tacheometry method?
a.
D $=$ S / (tan $α₁$ + tan $α₂$), V $=$ D tan $α₂$
b.
D $=$ S / (tan $α₁$ - tan $α₂$), V $=$ D tan $α₁$
c.
D $=$ S / (tan $α₂$ - tan $α₁$), V $=$ D tan $α₂$
d.
D $=$ S / (tan $α₂$ + tan $α₁$), V $=$ D tan $α₁$
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Q67 mcq
Which of the following is NOT a recognised method for curve setting in surveying?
a.
Transit method
b.
Tangent method
c.
Graphical method
d.
Axis method
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Q68 mcq
Equalising back sight and foresight distances is related with elimination of error due to
a.
Non-parallelism of line of sight and axis of telescope
b.
Index eccentricity
c.
Non-parallelism of line of collimation and bubble line
d.
Tilted horizontal axis
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Q69 mcq
Which of the following is the correct formula for closing errors in traversing?
a.
e $=$ $√[(ΣL$) + $(ΣD)]$
b.
e $=$ $√[(ΣL$) - $(ΣD)]$
c.
e $=$ $√[(ΣL)²$ - $(ΣD)²]$
d.
e $=$ $√[(ΣL)²$ + $(ΣD)²]$
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Q70 mcq
If the side of a regular hexagon is 'a', then the area is
a.
0.83 $a²$
b.
$(√3$ / 2) $a²$
c.
$(3√3$ / 2) $a²$
d.
$(√3$ / 4) $a²$
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Q71 mcq
The operation of taking levels along the centre line of any road is known as
a.
Cross-sectional levelling
b.
Profile levelling
c.
Reciprocal levelling
d.
Check levelling
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Q72 mcq
Which of the following examples are correct in obstacles to both chaining and ranging? (i) Pond (ii) River (iii) Building (iv) Hedge
a.
(i) and (iv) only
b.
(ii) and (iii) only
c.
(iv) only
d.
(iii) only
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Q73 mcq
Which one of the following is not the error due to manipulation and sighting?
a.
Defective orientation
b.
Defective centring
c.
Movement of board between sights
d.
Errors of plotting
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Q74 mcq
The apparent movement between the cross-hairs and staff reading, is known as
a.
Parallax
b.
Collimation error
c.
Refraction error
d.
Human error
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Q75 mcq
Fore bearing of line AB is S 30°22' W, find the back bearing of line BA
a.
N 30°22' W
b.
N 30°22' E
c.
N 59°38' W
d.
N 59°38' E
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Q76 mcq
The tolerance limit of COD in industrial wastewater to be discharged in surface water is
a.
250 mg/L
b.
20 mg/L
c.
25 mg/L
d.
0.25 mg/L
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Q77 mcq
A device which can be used to control gases as well as particulate pollutants, in the industrial emissions, is known as
a.
cyclone collectors
b.
dynamic precipitator
c.
spray tower
d.
fabric filter
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Q78 mcq
Smog is a mixture of
a.
Ozone and smoke
b.
Fog and smoke
c.
Fog and ozone
d.
Fire and smoke
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Q79 mcq
The sequence of conversion of nitrogeneous matter in aerobic nitrogen cycle
a.
Protein, NH3, Nitrite, Nitrate
b.
Protein, Ammonium, Nitrate, Nitrite
c.
Organic nitrogen, organic acids, nitrite, nitrate
d.
Organic nitrogen, organic acid, nitrite
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Q80 mcq
The maintenance and running cost of sewerage system is about ________ of capital cost.
a.
1.5% to 2%
b.
2% to 2.5%
c.
2.5% to 3%
d.
3% to 3.5%
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Q81 mcq
Match the following: A: (a) Electrostatic precipitators (b) Cyclone separator (c) Wet scrubbers (d) Adsorbers B: 1. Coarse particles 2. Fine dust 3. Gas 4. Sulphur dioxide
a.
(a)-2, (b)-1, (c)-3, (d)-4
b.
(a)-1, (b)-4, (c)-2, (d)-3
c.
(a)-4, (b)-1, (c)-2, (d)-3
d.
(a)-2, (b)-4, (c)-1, (d)-3
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Q82 mcq
Which of the following is provided before the water enters the watermeter in the house?
a.
Stop cock
b.
Ferrule
c.
Goose neck
d.
Bib cock
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Q83 mcq
The most common coagulant is
a.
Aluminium Sulphate
b.
Magnesium sulphate
c.
Aluminium Chloride
d.
Bleaching powder
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Q84 mcq
The design technique adopted in the design of large water supply networks as an aid to simplify and separate the smaller loops is
a.
Hardy cross method
b.
Circle method
c.
Electrical analyser method
d.
Equivalent pipe method
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Q85 mcq
Aeration of water is done to remove
a.
Odour
b.
Colour
c.
Bacterias
d.
Hardness
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Q86 mcq
Rate of filtration in a slow sand filter is in the range of
a.
100 to 200 $lit/m²/hr$
b.
200 to 500 $lit/m²/hr$
c.
2000 to 6000 $lit/m²/hr$
d.
50 to 80 $lit/m²/hr$
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Q87 mcq
As compared to higher pH values, the contact period required for efficient chlorination of lower pH values is
a.
Smaller
b.
Larger
c.
Same
d.
Vary depends on dosage
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Q88 mcq
Match List I with List II: List I (Coagulant): (a) Alum (b) Copperas (c) Chlorinated copperas (d) Sodium Aluminate List II (pH of water): 1. 8.5 and above 2. 6.5 to 8.5 3. Non-alkaline water 4. 3.5 to 6.5
a.
(a)-4, (b)-2, (c)-3, (d)-1
b.
(a)-1, (b)-4, (c)-3, (d)-2
c.
(a)-2, (b)-1, (c)-4, (d)-3
d.
(a)-3, (b)-1, (c)-2, (d)-4
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Q89 mcq
The highest desirable level of Fluorides in drinking water is
a.
1 mg/L
b.
1.5 mg/L
c.
0.5 mg/L
d.
0.05 mg/L
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Q90 mcq
The quality of water constituents are categorized as 1. Suspended solids 2. Dissolved ions and 3. ________?
a.
Metals
b.
Minerals
c.
Bacteria
d.
Gases
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Q91 mcq
Lines capacity can be improved significantly using ________ signalling on sub urban and high density traffic.
a.
Second distant signal
b.
Automatic signaling
c.
Intermediate signaling
d.
Light Emitting signals
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Q92 mcq
Ruling gradient in hilly regions on railway track is
a.
1 in 150 to 1 in 200
b.
1 in 100 to 1 in 150
c.
1 in 200 to 1 in 250
d.
1 in 250 to 1 in 300
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Q93 mcq
The main function of break water is to
a.
Break the momentum of water by means of wave
b.
Produce electricity breaker
c.
Build mole
d.
Measure energy of waves
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Q94 mcq
The size of ballast used on Indian Railways steel sleepers is
a.
2.5 cm
b.
3.5 cm
c.
3.8 cm
d.
5.1 cm
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Q95 mcq
Wear of rails may be reduced by
a.
Increasing the number of rail joints
b.
Decreasing the number of rail joints
c.
Using high carbon steel rail
d.
Increasing the spacing of sleepers
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Q96 mcq
As per ICAO, for aerodromes designed for larger aircraft, the maximum longitudinal gradient for taxiways should not exceed
a.
1.2%
b.
1.0%
c.
3.0%
d.
1.5%
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Q97 mcq
The size of the gate position (i.e) loading area depends on
a.
Size of Aircraft
b.
Minimum turning radius
c.
Parking configuration
d.
Hangar size
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Q98 mcq
It refers to the rectangular area at the end of runway in the direction of take off
a.
Landing area
b.
Landing strip
c.
Landing direction indicator
d.
Stopways
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Q99 mcq
For large airports intended for commercial use, a maximum gradient of ________ is used.
a.
2.5%
b.
1%
c.
1.5%
d.
2%
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Q100 mcq
Using "Slip form Paver", which of the following pavement is constructed?
a.
Dense Graded Bituminous pavement
b.
Open graded premix carpet pavement
c.
Cement concrete pavement
d.
Soil and well graded ballast pavement
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Q101 mcq
Match the following: (a) Hardness 1. Resistance to weathering (b) Durability 2. Shape factor (c) Ductility 3. Resistance to abrasion (d) Flakiness index 4. Adhesive property
a.
(a)-1, (b)-2, (c)-3, (d)-4
b.
(a)-3, (b)-4, (c)-1, (d)-2
c.
(a)-3, (b)-1, (c)-4, (d)-2
d.
(a)-2, (b)-4, (c)-1, (d)-3
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Q102 mcq
In cement concrete pavements, tie bars are installed in
a.
expansion joints
b.
contraction joints
c.
warping joints
d.
longitudinal joints
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Q103 mcq
Formula for finding space mean speed in traffic stream is
a.
$V_{s}$ $=$ 4.6 dn / $Σ$ $t_{i}$
b.
$V_{s}$ $=$ 4d / nd
c.
$V_{s}$ $=$ 3.6 dn / V
d.
$V_{s}$ $=$ 3.6 dn / $Σ$ $t_{i}$
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Q104 mcq
Traffic conflicts that may occur in a rotary inter-section are
a.
Crossing and merging
b.
Merging and diverging
c.
Crossing and diverging
d.
Crossing, merging and diverging
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Q105 mcq
In CBR test the value of CBR is calculated at
a.
2.5 mm penetration only
b.
5.0 mm penetration only
c.
7.5 mm penetration only
d.
Both 2.5 mm and 5.0 mm penetrations
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Q106 mcq
Identify the index / number that is not used for defining the shape factor
a.
Elongation index
b.
Angularity number
c.
Flakiness index
d.
Group index
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Q107 mcq
Camber of earth road in heavy rain fall area is
a.
1 in 25
b.
1 in 33
c.
1 in 40
d.
1 in 50
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Q108 mcq
If stopping sight distance is 90 m, find the value of Head light sight distance and intermediate sight distance?
a.
60 m and 120 m
b.
80 m and 140 m
c.
90 m and 180 m
d.
90 m and 240 m
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Q109 mcq
Type of survey used to collect the data related to communication, conditions of industries and commerce
a.
Social survey
b.
Territorial survey
c.
Functional survey
d.
Vital survey
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Q110 mcq
The term planning standard is to fix the ________ for each use of certain population
a.
Maximum area
b.
Minimum area
c.
Gross density
d.
Net density
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Q111 mcq
The living room, bed room and dinning should not less than ________ m distance in one side
a.
1.5 m
b.
1.8 m
c.
2.2 m
d.
2.4 m
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Q112 mcq
Minimum width of stairway of Low rise residential building
a.
1 m
b.
1.2 m
c.
1.1 m
d.
1.5 m
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Q113 mcq
Sound energy converting into other form of energy is known as
a.
Absorption
b.
Echoes
c.
Foci
d.
Reverberation
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Q114 mcq
King closers are related to
a.
Doors and windows
b.
King post truss
c.
Queen post truss
d.
Brick Masonry
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Q115 mcq
Carbon content in low carbon steel is upto
a.
0.15%
b.
0.3%
c.
0.05%
d.
0.35%
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Q116 mcq
The Triangular shaped masonry work provided at the ends of a sloped roof is termed as
a.
Buttress
b.
Freeze
c.
Gable
d.
Reveals
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Q117 mcq
The most commonly used bond for all wall thickness and the strongest bond is
a.
English bond
b.
Header bond
c.
Stretcher bond
d.
Facing bond
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Q118 mcq
The suitable grades of concrete for the prestressed concrete works is
a.
lower than M40
b.
Higher than M40
c.
Lower than M15
d.
Lower than M30
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Q119 mcq
Filling ability and passing ability are the important characteristics of
a.
Self compacting concrete
b.
High performance concrete
c.
Self-curing concrete
d.
Sulphur infiltrated concrete
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Q120 mcq
By proper proportioning and complete mixing of ingredients in concrete, which can be reduced
a.
Segregation
b.
Bleeding
c.
Pumping
d.
Spreading
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Q121 mcq
Bleeding of concrete leads to which of the following? (i) Drying up of concrete surface (ii) Formation of pores inside (iii) Segregation of aggregate (iv) Decrease in strength
a.
(i) and (ii) only
b.
(i) and (ii)
c.
(ii) and (iv)
d.
(i) and (iii)
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Q122 mcq
Find out the correct statement: admixtures are added to concrete: (1) Increase the strength (2) Reduce heat of hydration (3) Delay the setting time (4) Reduce the water cement ratio
a.
(1) and (2)
b.
(2) and (3)
c.
(3) and (4)
d.
(2) and (4)
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Q123 mcq
To prevent segregation, the concrete should not be thrown from a height of more than
a.
1/2 m
b.
1 m
c.
1.5 m
d.
2 m
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Q124 mcq
The term earthware is used for clay products burnt at
a.
High temperature
b.
Medium temperature
c.
Low temperature
d.
Sun light
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Q125 mcq
The size of coarse aggregates for plain cement concrete works is
a.
40-75 mm
b.
20-40 mm
c.
10-20 mm
d.
4.75-10 mm
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Q126 mcq
'Dolomite' is
a.
Sedimentary rock
b.
Metamorphic rock
c.
Igneous rock
d.
Hard rock
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Q127 mcq
Which of the following stone is best suitable for construction of piers and abutments of a railway bridge.
a.
Granite
b.
Sand stone
c.
Limestone
d.
Quartzite
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Q128 mcq
Which chemical composition is mainly responsible for 7 days strength and hardness in hydrolysis?
a.
Dicalcium Silicate
b.
Tri calcium silicate
c.
Tri calcium aluminate
d.
Tetra calcium aluminoferrite
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Q129 mcq
A good brick should not absorb water by weight more than?
a.
10%
b.
20%
c.
25%
d.
30%
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Q130 mcq
A king closer is
a.
Full Brick
b.
3/4 brick
c.
Longitudinally 1/2 brick
d.
Crosswise 1/2 brick
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Q131 mcq
The diameter of Kernel of a circular section is
a.
d/2
b.
d/3
c.
d/4
d.
$d/√2$
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Q132 mcq
Maximum shear stress theory was associated with
a.
St. Venant
b.
Mohr
c.
Rankine
d.
Tresca
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Q133 mcq
The radius of gyration of a circular column of diameter d is
a.
d/4
b.
d/2
c.
$d²/4$
d.
$d²/16$
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Q134 mcq
The brick chimney is stable if the resultant thrust lies within the middle
a.
One third
b.
Two-third
c.
Half
d.
Either of (A) and (B)
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Q135 mcq
In a state of uniaxial stress, the maximum shear stress is equal to
a.
Half of uniaxial stress
b.
Equal to uniaxial stress
c.
1.5 times uniaxial stress
d.
2 times uniaxial stress
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Q136 mcq
A shaft revolving at N r.p.m. transmitted torque (T) in kg.m. The power developed is
a.
$2πNT$ / 120 kW
b.
$2πNT$ / 60 kW
c.
$2πNT$ / 30 kW
d.
$2πNT$
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Q137 mcq
The point of contra flexure occurs only in
a.
Overhanging beams
b.
Cantilever beams
c.
Simply supported beams
d.
Both (B) and (C)
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Q138 mcq
The maximum slope in a simply supported beam subjected to a uniformly distributed load of intensity 'w'/m is (EI is constant throughout):
a.
$wL⁴$ / 48EI
b.
$wL³$ / 48EI
c.
$wL³$ / 24EI
d.
$wL⁴$ / 24EI
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Q139 mcq
The relation between maximum stress $(σ$) offered by a section, moment of resistance (M) and section modulus (Z) is given by
a.
M $=$ $σ$ + Z
b.
M $×$ Z $=$ $σ$
c.
M $=$ $σ$ $×$ Z
d.
M + Z $=$ $σ$
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Q140 mcq
If the section modulus of a beam decreases then the bending stress will
a.
Increase
b.
Decrease
c.
Remains the same
d.
Zero
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Q141 mcq
The ratio of ultimate stress to the working stress is
a.
Factor of safety
b.
Modulus of rigidity
c.
Modulus of Elasticity
d.
Young's modulus
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Q142 mcq
When a solid shaft is subjected to torsion, the shear stress introduced in the shaft at its centre is
a.
Maximum
b.
Minimum
c.
Average
d.
Zero
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Q143 mcq
A composite bar made up of steel and brass is heated up. The stress developed in steel and brass will be
a.
Compressive and tensile
b.
Compressive and bending
c.
Tensile and bending
d.
Tensile and Compressive
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Q144 mcq
The ratio of change in volume to original volume is called as
a.
Axial strain
b.
Shear strain
c.
Volumetric strain
d.
Lateral strain
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Q145 mcq
For most ________ materials, true stress-strain curves are practically the same in tension and compression.
a.
Orthotropic
b.
Ductile
c.
Brittle
d.
Composite
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Q146 mcq
The ratio between direct stress to volumetric strain is known as
a.
Young's modulus
b.
Bulk modulus
c.
Shear modulus
d.
Modulus of rigidity
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Q147 mcq
Section modulus for Hollow circular section is
a.
$(π/64$) $×$ $[(D⁴$ - $d⁴)/D²]$
b.
$(π/32$) $×$ $[(D⁴$ - $d⁴)/D]$
c.
$(π/64$) $×$ $[(D²$ - $d²)/D]$
d.
$(π/32$) $×$ $[(D³$ - $d³)/D²]$
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Q148 mcq
Limiting values of Poisson's ratio are
a.
0 to +0.5
b.
0 to -0.5
c.
1 to +0.5
d.
-1 to +0.5
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Q149 mcq
Ultimate strength of a steel bar is
a.
Load at failure point / Initial cross Sectional area
b.
Load at failure point / Final Cross Sectional area
c.
Maximum load / Initial Cross Sectional area
d.
Maximum load / Final Cross Sectional area
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Q150 mcq
For a rectangular section the ratio of maximum shear stress to the average shear stress is
a.
2
b.
1.5
c.
1.25
d.
1.75
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Q151 mcq
The pressure exerted by a retaining wall on the retained earth is called as a ________?
a.
Active earth pressure
b.
Passive earth pressure
c.
Eccentricity of the retaining wall
d.
Centre of gravity of retaining wall
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Q152 mcq
The shock absorbers in earthquake resisting building is called
a.
Base isolator
b.
Mass damper
c.
Cross braces
d.
Flexible pipes
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Q153 mcq
Plastic section modulus of a rectangular beam of breadth 'b' and depth 'd' is given by
a.
$bd²$ / 4
b.
$bd²$ / 6
c.
$bd³$ / 12
d.
$bd²$ / 8
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Q154 mcq
In plastic analysis, what is the expression to find the number of independent mechanisms, if N $=$ Number of independent mechanisms, n $=$ Number of possible hinges, r $=$ Degree of redundancy
a.
N $=$ n - r
b.
N $=$ n + r
c.
N $=$ n $÷$ r
d.
N $=$ n $×$ r
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Q155 mcq
Shape factor for diamond section
a.
1.5
b.
2.0
c.
2.346
d.
1.697
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Q156 mcq
The influence line for statically indeterminate, the BM and SF is in the shape of
a.
Straight line
b.
Inclined line
c.
Curvelinear
d.
Triangle
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Q157 mcq
The strength of a column depends on which of the following factors.
a.
End conditions
b.
Slenderness ratio
c.
Both (A) and (B)
d.
Shear force
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Q158 mcq
Slenderness ratio of a long column is
a.
Area of cross section divided by radius of gyration
b.
Area of cross section divided by least radius of gyration
c.
Radius of gyration divided by area of cross section
d.
Length of column divided by least radius of gyration
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Q159 mcq
In bridge construction, especially in rail road bridges, the more frequently used arch is
a.
Semi circular arch
b.
Two hinged arch
c.
Three hinged arch
d.
Both (B) and (C)
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Q160 mcq
For a two hinged arch, if one of the supports settles down vertically, then the horizontal thrust
a.
Is increased
b.
Is decreased
c.
Remains unchanged
d.
Both (A) and (B)
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Q161 mcq
The cable resists external loads by
a.
Tension
b.
Compression
c.
Bending
d.
Shear
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Q162 mcq
What is the horizontal thrust in a symmetric parabolic two-hinged arch of span 'L' and central rise 'y' subjected to a uniformly distributed load of Intensity 'w' per unit length over its entire span.
a.
wL / 4y
b.
$wL²$ / 8y
c.
$wL²$ / 12y
d.
$wL²$ / 16y
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Q163 mcq
Shear equations are used to analyse, which of the following?
a.
Fixed beam
b.
Continuous beam
c.
Symmetrical portal frames
d.
Unsymmetrical portal frames
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Q164 mcq
What are the distribution factors of the spans BA and BC at the middle joint 'B' of a two span continuous beam ABC of equal spans? Supports A and C are simply supported. The beam has uniform EI.
a.
0.5 and 0.5
b.
1 and 1
c.
2 and 2
d.
0.6 and 0.4
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Q165 mcq
The ratio of the stiffness of the beam at the near end when the far end is hinged to the stiffness of the beam at the near end when the far end is fixed is
a.
1/2
b.
3/4
c.
1
d.
4/3
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Q166 mcq
The middle layer of the cross section of a flexural beam remains in elastic stage and this layer is known as
a.
Weak core
b.
Hard core
c.
Plastic core
d.
Elastic core
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Q167 mcq
What are the basic unknowns in displacement method of structural Analysis?
a.
Joint displacements
b.
Redundants
c.
Shear force and bending moment
d.
Support reactions
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Q168 mcq
Flexibility matrix is also known as
a.
Displacement Method
b.
Stiffness Method
c.
Compatibility Method
d.
Equilibrium Method
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Q169 mcq
The Degree of Indeterminacy of the propped cantilever is
a.
Zero
b.
Two
c.
One
d.
Three
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Q170 mcq
Fixing Moments of a fixed beam carrying a gradually varying load from zero at one end to 'w' per unit length at the other is
a.
$-wl²/12$, $-wl²/8$
b.
$-wl²/16$, $-wl²/12$
c.
$-wl²/10$, $-wl²/18$
d.
$-wl²/30$, $-wl²/20$
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Q171 mcq
When shear buckling of web is likely to take place in the design of steel beam, as per IS 800-2007 is? (d $=$ depth of web, $t_{w}$ $=$ Thickness of web, $ε$ $=$ $√(250/f_{y}$), $f_{y}$ $=$ yield strength of steel)
a.
$d/t_{w}$ > $96ε$
b.
$d/t_{w}$ > $69ε$
c.
$d/t_{w}$ > $67ε$
d.
$d/t_{w}$ > $10.5ε$
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Q172 mcq
As per IS 800-2007, allowable Maximum vertical deflection of gantry girder with manually operated cranes is
a.
Span/1000
b.
Span/750
c.
Span/400
d.
Span/500
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Q173 mcq
For a circular Tank with flexible base having a capacity of 4,00,000 Litres, the thickness of a 4 m high wall is
a.
150 mm
b.
160 mm
c.
170 mm
d.
180 mm
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Q174 mcq
Intermediate vertical stiffeners in plate girders are provided to
a.
Increase the bearing strength of the web
b.
Prevent local buckling of the flange
c.
Prevent local buckling of the web
d.
Increase the moment capacity of the girder
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Q175 mcq
Pick out the Reinforced concrete members may be subjected to torsion with bending and shear is
a.
Canopy beams
b.
Curved girders
c.
Both (A) and (B)
d.
Columns
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Q176 mcq
In a Cantilever retaining wall of height 'h' the horizontal pressure of earth will act at a distance of
a.
(h/3) from the top
b.
(h/3) from the bottom
c.
(h/2) from the top
d.
(h/4) from the base
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Q177 mcq
As per IS 800: 2007 Imperfection factor $(α$) for Buckling class 'a' and Buckling class 'b' is
a.
0.49 and 0.76
b.
0.39 and 0.56
c.
0.21 and 0.34
d.
0.11 and 0.23
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Q178 mcq
In rivetted construction, the minimum width of lacing bar shall be ________ times the nominal diameter rivet.
a.
2
b.
3
c.
1.5
d.
2.5
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Q179 mcq
Maximum spacing (Centre-to-centre) of longitudinal bars in columns along the periphery of the column is
a.
250 mm
b.
300 mm
c.
350 mm
d.
450 mm
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Q180 mcq
As per IS 800-2007, the minimum size of fillet weld should be
a.
1 mm
b.
2 mm
c.
3 mm
d.
4 mm
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Q181 mcq
Torsion factor (or) rotation constant for circular section is
a.
$J_{t}$ $=$ $π$ $D⁴$ / 32
b.
$J_{t}$ $=$ $π$ $D⁴$ / 64
c.
$J_{t}$ $=$ $π$ $D⁴$ / 16
d.
$J_{t}$ $=$ $π$ $D⁴$ / 8
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Q182 mcq
Rivet value is
a.
Shear strength
b.
Bearing strength
c.
Tensile strength
d.
Minimum of shear strength and bearing strength
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Q183 mcq
Double tendons are wrapped and group of looping of high-tensile tendons around the concrete is used in ________ system.
a.
Freyssinet system
b.
BBRV system
c.
Magnel-Blaton system
d.
Baur-Leonhardt system
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Q184 mcq
Pre stressed concrete beam fails suddenly without warning due to
a.
Failure of concrete in compression zone
b.
Failure of concrete in tension zone
c.
Fracture of high brittle strength steel in the tension zone
d.
Creep and anchorage slip
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Q185 mcq
For aesthetic consideration maximum permissible final deflection of a pre-stressed concrete beam should not exceed
a.
Span / 250
b.
Span / 350
c.
Span / 450
d.
Span / 500
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Q186 mcq
Which of the following methods is a pretensioning system of prestressed concrete?
a.
Freyssinet system
b.
Hoyer's system
c.
Lee McCall system
d.
Magnel Blaton system
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Q187 mcq
The method of tensioning Magnel Blaton system involves
a.
Hydraulic jack and wires
b.
Hydraulic jack and bars
c.
Multi stand hydraulic jack
d.
Jack inserted at centre of beam
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Q188 mcq
A prestressed concrete member
a.
Is made of concrete
b.
Is made of reinforced concrete
c.
Is stressed after casting
d.
Possesses internal stresses
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Q189 mcq
The equivalent shear force of the torsion is given by? (Where $V_{u}$ $=$ Factored shear force, $T_{u}$ $=$ Factored torsion, b $=$ Breadth of beam)
a.
$V_{e}$ $=$ $V_{u}²$ + 1.6 $(T_{u}$ / $b²$)
b.
$V_{e}$ $=$ $V_{u}$ + 1.75 $(T_{u}$ / b)
c.
$V_{e}$ $=$ $V_{u}$ + 1.6 $(T_{u}$ / b)
d.
$V_{e}$ $=$ $V_{u}²$ + 1.75 $(T_{u}$ / $b²$)
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Q190 mcq
The clear distance between the floor and the shallower beam framing into columns in each direction at the next higher floor level is termed as,
a.
Unsupported length
b.
Effective length
c.
Supported length
d.
Overall length
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Q191 mcq
When the area of the steel $A_{s}$ has to be converted into the area of concrete, then the net increase in equivalent area will be
a.
m $×$ $A_{s}$
b.
(m - 1) $A_{s}$
c.
$(A_{c}$ - $A_{s}$)
d.
$(A_{c}$ - m $A_{s}$)
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Q192 mcq
Effective width of flange for T-beams as per IS 456-2000 code
a.
$b_{f}$ $=$ l₀/6 + $D_{f}$ + 6 $b_{w}$
b.
$b_{f}$ $=$ l₀/12 + $b_{w}$ + 3 $D_{f}$
c.
$b_{f}$ $=$ l₀/6 + $b_{w}$ + 6 $D_{f}$
d.
$b_{f}$ $=$ centre to centre between supports
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Q193 mcq
In control of deflection the deflection including the effects of temperature creep and shrinkage occuring after erection of partitions and the application of finishes should not normally exceed
a.
Span/350
b.
Span/250 (or) 30 mm whichever is less
c.
Span/350 (or) 20 mm whichever is less
d.
Span/250
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Q194 mcq
Minimum number longitudinal bars to be provided in circular columns is,
a.
2
b.
4
c.
6
d.
8
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Q195 mcq
In limit state of collapse, flexure, the maximum strain in the tension reinforcement in the section at failure shall not be less than
a.
$f_{y}$ / (1.15 $E_{s}$) + 0.0045
b.
$f_{y}$ / (1.2 $E_{s}$)
c.
$f_{y}$ / (1.15 $E_{s}$)
d.
$f_{y}$ / (1.15 $E_{s}$) + 0.002
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Q196 mcq
The allowable direct tensile stress in mild steel rolled section is about (in MPa)
a.
120
b.
150
c.
180
d.
200
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Q197 mcq
If "d" and "n" are the effective depth and depth of neutral axis respectively the lever arm of the beam is
a.
d
b.
n
c.
d + n/3
d.
d - n/3
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Q198 mcq
The following is not covered under the limit state of collapse
a.
Flexure
b.
Compression
c.
Deflection
d.
Torsion
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Q199 mcq
As per IS code of practice, concrete should be cured at
a.
5°C
b.
10°C
c.
27°C
d.
40°C
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Q200 mcq
As per IS: 456-2000 the lateral sway at the building shall not exceed for transient wind loads, where 'H' is total height of building.
a.
H / 500
b.
H / 250
c.
H / 400
d.
H / 125
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