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23/01/2019 (8:30 AM - 11:00 AM) — Instrument Mechanic

2019 · 175 questions · First 10 Solutions Free
Questions 1–10 have full step-by-step solutions visible. Sign in to unlock all 175 →
Q1 mcq
‘Two cars, X and Y, travel from A to B at average speeds of 50 km/hr and 75 km/hr respectively. If X takes 2 hours more than Y for the journey, then the distance between A and B in km is 4 400
a.
400
b.
800
c.
300 Correct Answer
d.
600

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Q2 mcq
Select the option that is related to the third word on the same basis as the second word is related to the first word. Poem : Stanza :: Book : ? Printing 4
a.
Printing
b.
Story
c.
Language
d.
Page Correct Answer

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Q3 mcq
A alone can do a task in 35 days and B alone in 14 days. If they work on it together for 5 days, then what fraction of the task is left? Half VW
a.
Half Correct Answer
b.
Three fourths
c.
Quarter
d.
One-thirds

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Q4 mcq
Ina certain code DIRTY is coded as 24759 and FOAM is coded as 1863. Using the same code ARID will be coded as 4 1579
a.
1579
b.
9165
c.
6742 Correct Answer
d.
2489

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Q5 mcq
The weights of 3 boxes are 4, 7 and 10 kilograms. Which of the following CANNOT be the total weight, in kilograms, of any combination of these boxes? 4 17
a.
17
b.
14
c.
18 Correct Answer
d.
21

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Q6 mcq
Who was the chairman of the Constitution Drafting Committee? Dr. Rajendra Prasad 4
a.
Dr. Rajendra Prasad
b.
Dr. BR Ambedkar Correct Answer
c.
Jawaharlal Nehru
d.
Sardar Patel

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Q7 mcq
4 37.50%
a.
37.50%
b.
20% Correct Answer
c.
22.50%
d.
25% %

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Q8 mcq
Which hazardous substance can cause lung cancer? Herbicides 4
a.
Herbicides
b.
Arsenic
c.
Benzene vapours
d.
Asbestos particles Correct Answer

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Q9 mcq
Which of the following is NOT a base unit? mole 4
a.
mole
b.
ampere
c.
radian Correct Answer
d.
candela

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Q10 mcq
When a number is increased by 36, it becomes 109% of itself. What is the number? 4 450
a.
450
b.
360
c.
300
d.
400 Correct Answer

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Q11 mcq
Find the value of 5 Sin@ — 2 Cosec®, if @ = 30°. 2/3 4
a.
2/3
b.
“3/2
c.
3/2.
d.
2/3
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Q12 mcq
Vaereaisa Sart, Ho Teter Pca seat (Hee-ws stew) A Atee get G1 sa carat at wa fer Set aie? VW
b.
seu FB Wed Tet & fae
c.
ra & we aa A Aa aa &
d.
RTT wd ta A aoa a Ha ara & AT
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Q13 mcq
If the speed of a car increases from 54 km/hr to 90 knv/hr, its kinetic energy would increase in the ratio . O16 4
a.
O16
b.
9/25
c.
4/9
d.
3/5
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Q14 mcq
The resistance of a metal rod depends on all of the following, EXCEPT . temperature 4
a.
temperature
b.
length
c.
resistivity
d.
density
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Q15 mcq
wal beapcuie, Weta Afeearen 12,600 waa aaa ad, sn at an aaareat 5/7 we ata. aT SIRT WAI 1/3 AF aedt anit Gt AeM seatea Galea 1/5 AF alec, Mea eT Hoar Zier at amaa? 7 16 4
a.
7 16
b.
7 45
c.
8 45
d.
14
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Q16 mcq
amiska ei aqaae VW
a.
amiska ei aqaae
b.
sae freee | oy gar t
c.
Lait ll dat ary ater &
d.
sae free il ory gta &
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Q17 mcq
Which of the following gases is a highly poisonous, odourless, tasteless and colourless gas? Carbon monoxide VW
a.
Carbon monoxide
b.
Nitrogen dioxide
c.
Methane
d.
Carbon dioxide
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Q18 mcq
At present, the ratio between the ages of Anu and Dimpy is 5 : 8. After 2 years, the ratio of their ages will become 2 : 3. What was Dimpy’s age before 2 years? 4 10
a.
10
b.
16
c.
14
d.
12
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Q19 mcq
BDCA 4
a.
BDCA
b.
DBCA
c.
DBAC
d.
BDAC
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Q20 mcq
Find the length (in cm) of the edge of a cube of a piece of wood which weighs 80 N. (Use g = 10 mvs”, density of wood = lgicm?) 4 80
a.
80
b.
60
c.
40
d.
20
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Q21 mcq
Ina steady-flowing river, a boat goes a certain distance upstream at a speed of 12 km/h and comes back the same distance at 24 knv/h. Find the average speed for the total journey. 18 knv/h 4
a.
18 knv/h
b.
16 knv/h
c.
20 km/h
d.
15 knvh
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Q22 mcq
Green and yellow vegetables in our diet mostly provide us which element as food? Sodium 4
a.
Sodium
b.
Copper
c.
Zine
d.
Potassium
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Q23 mcq
Which team won the Indian Premier League (IPL) in 2018? Hyderabad Sunrisers 4
a.
Hyderabad Sunrisers
b.
Royal Challengers Bangalore
c.
Chennai Super Kings
d.
Kolkata Knight Riders
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Q24 mcq
Find the potential difference (in V) across a resistance of 2.5 kQ through which a 2 mA current flows. 4 0.2
a.
0.2
b.
0s
c.
5
d.
1.25
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Q25 mcq
is the physiological adjustment by an organism to environmental change. Cogeneration 4
a.
Cogeneration
b.
Acclimation
c.
Bioremediation
d.
Bioaccumulation
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Q26 mcq
Find x if the mean of the numbers 10, 4, 1, 15, 15, x, 12 and 14 is 10. 4 T
a.
T
b.
8
c.
9
d.
10
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Q27 mcq
If 36 J of work is done in moving a charge Q across 8 V, find Q (in coulombs). 4 9
a.
9
b.
45
c.
16
d.
288
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Q28 mcq
The Living Planet Report, released every two years, is the flagship publication of which organisation? Conservation International 4
a.
Conservation International
b.
World Wide Fund for Nature
c.
The Nature Conservancy
d.
Wildlife Conservation Society
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Q29 mcq
Binary 110110101 is equal to decimal : VW 437
a.
437
b.
349
c.
333
d.
477
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Q30 mcq
is when we cover a surface with a pattern of flat shapes so that there are no overlaps or gaps. Tessellation VW
a.
Tessellation
b.
Tracking
c.
Gradient
d.
Kerning
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Q31 mcq
Ifa shopkeeper sells an item at 2 2.700, he makes 8% profit. If he sells the item at = 3,000 what will be the percentage of profit? 4 12
a.
12
b.
20
c.
10
d.
25
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Q32 mcq
In the following question, which set of letters and numbers, when sequentially placed at the gaps in the given series, shall complete it? 1_2x_bb_yy_cc_6zzz 3a45b 4
a.
3a45b
b.
3a45c
c.
a34S5c
d.
3a4b5
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Q33 mcq
The Umaid Bhawan Palace is in which city? Jodhpur VW
a.
Jodhpur
b.
Jaipur
c.
Bikaner
d.
Udaipur
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Q34 mcq
An object with greater has greater inertia volume 4
a.
volume
b.
velocity
c.
acceleration
d.
mass
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Q35 mcq
a.
8 km west
b.
8 km east
c.
12 km east
d.
12 km west
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Q36 mcq
Who invented the blue jeans? Levi Strauss VW
a.
Levi Strauss
b.
Calvin Klein
c.
Gianni Versace
d.
Todd Oldham
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Q37 mcq
Find the specific latent heat of vaporisation of 1.25 g of nitrogen (in Jg"), if it releases 250 joules of heat when it condenses at its boiling point of 196° C. VW 200
a.
200
b.
469
c.
500
d.
312.5
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Q38 mcq
Choose the letters which are different from the rest. 4 HIL
a.
HIL
b.
VIR
c.
UWY
d.
PRT
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Q39 mcq
A bullet travels 90 m in 0.2 seconds. Find its speed in km/hr. 1,620 VW
a.
1,620
b.
125
c.
162
d.
1,250
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Q40 mcq
Find the heat capacity of a pan of mass 200 g, if its temperature rises by 8° C on receiving 2000 J of heat. 50 Ike kK! 4
a.
50 Ike kK!
b.
250 IK?
c.
s3K!
d.
1.25 kg Kl
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Q41 mcq
20 — 2[25% of (15 x 8+6+ 12)]= 4 10
a.
10
b.
6
c.
8
d.
4
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Q42 mcq
If A, B and C can do a task working alone in 12, 18 and 36 days respectively. They all work together for 2 days, then B quits. How many days A and C working together will take to complete the remainder of the task? 4 3
a.
3
b.
9
c.
4
d.
6
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Q43 mcq
Find mass of an iron cube of side 2 cm. (Density of iron is 7.8 gm/cm?) 0.975 gm 4
a.
0.975 gm
b.
15.6 gm.
c.
62.4 gm
d.
3.9 gm
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Q44 mcq
Find the work done (in kJ) if a force of 750 N pushes a cart of mass 30 kg by 16 m. VW 12
a.
12
b.
48
c.
24
d.
36
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Q45 mcq
a.
Only assumption II is implicit
b.
Both I and II are implicit
c.
Only assumption I is implicit
d.
Neither I nor II is implicit
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Q46 mcq
To is to prepare a storage medium, usually a disk, for reading and writing. map 4
a.
map
b.
boot
c.
defrag
d.
format
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Q47 mcq
4 500%
a.
500%
b.
20%
c.
400%
d.
25% %
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Q48 mcq
If VX + 0.24 = V0.1296, then find X. 4 0.0012
a.
0.0012
b.
0.12
c.
1.44
d.
0.0144
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Q49 mcq
Two resistors of R 2 and 60 Q are connected in parallel to get an effective resistance of 24 Q. Find R. 4 64
a.
64
b.
40
c.
56
d.
48
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Q50 mcq
Find the efficiency of a pulley system which has a mechanical advantage of 2.5 and where the load lifts by 2.5 meters on pulling the rope by 10 m. 4 25.00%
a.
25.00%
b.
100.00%
c.
62.50%
d.
40.00%
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Q51 mcq
a.
18
b.
8
c.
9
d.
36
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Q52 mcq
Classical musician Shivkumar Sharma is associated with which musical instrument? VW Santoor
a.
Santoor
b.
Shehnai
c.
Violin
d.
Tabla
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Q53 mcq
—100° Celsius = Fahrenheit 4 BY & sa)
a.
BY & sa)
b.
—148°
c.
ee TP
d.
T7337
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Q54 mcq
Find the power (in W) of a pump if it can lift | tonne of water by 90 m in 30 minutes. (Assume 100% efficiency and use g=10 ms?) VW 500
a.
500
b.
50
c.
250
d.
25
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Q55 mcq
Ifa—b=5 and ab =14, then find a2 + b?? 4 5
a.
5
b.
19
c.
53
d.
27
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Q56 mcq
Here are some words from an artificial language. unacri means lighthouse bancri means lightweight banetu means overweight ‘Which word swould:mean ‘overdrive’? adietu VW
a.
adietu
b.
simuna
c.
criteh
d.
adiban
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Q57 mcq
Ina certain code language, '+' represents '«', '=' represents '+', '" represents '+' and '*' represents '. Find out the answer to the following question. 12-624 10«5:=? 4 23
a.
23
b.
50
c.
37
d.
16
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Q58 mcq
‘What is the diameter (in em) of a sphere of surface area 1386 cm? ? 4 14
a.
14
b.
21
c.
24.5
d.
10.5
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Q59 mcq
Farad per metre is the unit of. permittivity VW
a.
permittivity
b.
‘watt per steradian
c.
electric conductance
d.
permeability
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Q60 mcq
ae at oferta art & for aa ft wa da gut ar sett far set o1 awe & at fer Fagut at var sige wer Set 81 Hea fag, st aw Ay apie at cerita ara ¢, sed tsa, TT fag se oigen) a alse wer Stat BI ae VW
a.
ae
b.
secs
c.
oT
d.
‘aTsentet
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Q61 mcq
Which of the following is the correct relation between resistance 'R’, conductivity 'o', length 'L' and area of cross section ‘A' of a metal wire? 4 RL=Ao
a.
RL=Ao
b.
RoA=L
c.
RA=Lo
d.
o=RL/A
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Q62 mcq
210 mm x 297 mm are the dimensions of size paper. 4 A2
a.
A2
b.
Al
c.
A3
d.
A4
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Q63 mcq
If 5x/2 - 1/4 (6x — 5/3) = 7/6, then the value of x is . 3/7 4
a.
3/7
b.
3/4
c.
5/7
d.
5/4
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Q64 mcq
A said to B, "You are my husband's daughter-in-law's son." How is B related to A? Bis the son of A 4
a.
Bis the son of A
b.
B is the brother of A
c.
B is the father of A
d.
B is the grandson of A
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Q65 mcq
Two children, weighing 30 kg and 15 kg, sit on one side of a see-saw at a distance of 1 m and 1.2 m respectively, from the fulcrum. A boy of 'M' kg sits on the other side of the see-saw at a distance of 1.2 m from the fulcrum, and the see- saw is in equilibrium. Find M. VW 40
a.
40
b.
48
c.
36
d.
45
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Q66 mcq
‘What is the area (in cm2) of an equilateral triangle of side 8 cm? 32V3 4
a.
32V3
b.
8\3
c.
64\3
d.
16V3
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Q67 mcq
105° VW
a.
105°
b.
120°
c.
75°
d.
90°
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Q68 mcq
If3A=6B=7C; find A: B:C. VW 14:7:6
a.
14:7:6
b.
Ta Vas
c.
122733
d.
1273212
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Q69 mcq
Pipe A can fill a tank in 6 hours. Pipe B can empty it in 15 hours. If both the pipes are opened together, then the tank will be filled in how many hours? 4 8
a.
8
b.
12
c.
9
d.
10
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Q70 mcq
If$#12=10;54#9=7:6# 10=8, then find the value of 14 # 4. VW 9
a.
9
b.
3
c.
5
d.
10
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Q71 mcq
a.
25:
b.
L5
c.
1
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Q72 mcq
Find the highest common factor of 506 and 782. 4
b.
46
c.
29
d.
34
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Q73 mcq
A map converts colour intensity or grayscale information to heights to give the appearance that features are raised above the surface, like embossed letters. bump VW
a.
bump
b.
shade
c.
tint
d.
tone
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Q74 mcq
What is the relative density of a solid of mass 50 gm which when fully immersed in water weighs 10 gm? 4 5
a.
5
b.
1.25
c.
0s
d.
25:
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Q75 mcq
Find the missing number in the given series. —1.3, -0.8, -0.3, ? , 0.7, 1.2 4 0.4
a.
0.4
b.
OL
c.
0.3
d.
0.2
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Q76 mcq
A trader buys 60 bags of grain at 2 400 each. If he sells 18 bags at 8% profit, at what price should he sell the remaining bags to make 16.4% overall profit on selling the 60 bags? 4 2540
a.
2540
b.
2520
c.
2480
d.
2 500
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Q77 mcq
Acceleration due to gravity on moon is 1/6th that on earth. How much would an astronaut weigh on moon if he weighs 90 kgf on earth? (acceleration due to gravity on earth = 10m/s2) 4 ON
a.
ON
b.
150N
c.
o90N
d.
15N
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Q78 mcq
Choose the one which is different from the rest. Brother 4
a.
Brother
b.
Mother-in-law
c.
Father
d.
Son
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Q79 mcq
The author of 'The Monk Who Sold His Ferrari’ is : Arundhati Roy 4
a.
Arundhati Roy
b.
Robin Sharma
c.
Manohar Malgonkar
d.
Arvind Adiga
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Q80 mcq
(0.1? - 0.025%) + (0.1 — 0.025) = . 4 0.25
a.
0.25
b.
0.325
c.
0.125
d.
0.625
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Q81 mcq
If A SB means A is the husband of B, A # B means A is the brother of B and A * B means A is the mother of B, then what does PS Q* R#S mean? P is the brother of S 4
a.
P is the brother of S
b.
P is the father of S
c.
P is the son of S
d.
P is the brother-in-law of S
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Q82 mcq
Which of the following is an example of a first class lever? Nut cracker 4
a.
Nut cracker
b.
A pair of scissors
c.
Wheel barrow
d.
Ice tongs
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Q83 mcq
se fewer a aaa at st drat eq O set gen dafdta & re va qaT weg ves weg S afar FI us : fen :: Ga: ? riccire 4
a.
riccire
c.
RD rice
d.
Aaa
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Q84 mcq
An arrowhead at the end of a dimension line is approximately Jong and 1 mm wide. 4 Smm
a.
Smm
b.
3mm
c.
L.5mm
d.
imm
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Q85 mcq
Rearrange the parts of the sentence in correct order. In terms of reasons that a customer X - possibility is that they've actually finished changing, but Y - might not come out of the changing room, one Z - the clothes are hopelessly unsuitable 4 ZXY
a.
ZXY
b.
XZY
c.
Y¥XZ
d.
IX
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Q86 mcq
If the amount received at the end of Ist and 2nd year at compound interest on a certain principal is = 1,350 and = 1,458 respectively, what is the rate of interest? 4 10%
a.
10%
b.
12%
c.
8%
d.
15%
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Q87 mcq
If half a litre of hot water at 90°C is mixed with three and a half litres of cold water at 10°C, find the final equilibrium temperature (in °C) if no heat is lost. VW 20
a.
20
b.
30
c.
40
d.
50
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Q88 mcq
Which of the following recipients of the Dadasaheb Phalke Award received it posthumously? Durga Khote 4
a.
Durga Khote
b.
Satyajit Ray
c.
Vinod Khanna
d.
‘Naushad
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Q89 mcq
All conclusions I, II and III follow 4
a.
All conclusions I, II and III follow
b.
Only conclusion I follows
c.
Only conclusion III follows
d.
Only conclusion I and III follow
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Q90 mcq
Choose the figure which is different from the rest. N HZ ic FD A EQ 4
a.
N HZ ic FD A EQ
b.
H DN FOZ CEA
c.
Acq Z ode NF H
d.
Zz cH FAN Q DE
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Q91 mcq
The sum of two binary numbers 1101111 and 1100101 is . 4 100011100
a.
100011100
b.
100000110
c.
11110000
d.
11010100
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Q92 mcq
The National Skills Development Corporation (NSDC) is a public-private partnership formed under India’s : Ministry of Electronics & Information Technology 4
a.
Ministry of Electronics & Information Technology
b.
Ministry of Science & Technology
c.
Ministry of Corporate Affairs
d.
Ministry of Finance
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Q93 mcq
a.
CEF
b.
E
c.
IGH
d.
G
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Q94 mcq
Both I and II follow 4
a.
Both I and II follow
b.
Neither I nor II follows
c.
Only conclusion II follows
d.
Only conclusion I follows
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Q95 mcq
A and B start to walk from point P towards point Q. The distance between P and Q is 9 km. B starts 4 minutes after A. A, on reaching Q, immediately returns and after walking a kilometre meets B. If A's speed is a kilometre in 10 minutes, what is B's speed in kilometres per minute? Vs 4
a.
Vs
b.
1/6
c.
VIS
d.
1/12
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Q96 mcq
Which of the following folk dances is from Assam? Bagurumba VW
a.
Bagurumba
b.
Lezim
c.
Giddha
d.
Nati
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Q97 mcq
4 9
a.
9
b.
6
c.
12
d.
3
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Q98 mcq
A/An is software used to maintain the security of a private network. malware 4
a.
malware
b.
encryption
c.
clickbait
d.
firewall
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Q99 mcq
Find the co-ordinates of the midpoint of the segment joining the points (4,7) and (2,3). (2.4) 4
a.
(2.4)
b.
(-1,5)
c.
(-2.3)
d.
(1-5)
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Q100 mcq
00
a.
0.16
b.
0.25
c.
1.56
d.
0.4
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Q101 mcq
For resistance measurement. a meter contains : low voltage source 4
a.
low voltage source
b.
high current source
c.
medium current source
d.
low current source
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Q102 mcq
Armature winding is mounted on a . platform 4
a.
platform
b.
‘wooden base
c.
stator
d.
rotor
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Q103 mcq
‘Vacuum thermo-elements types of instruments are mostly employed for the measurement of electric current at : medium frequency 4
a.
medium frequency
b.
normal frequency
c.
very high frequency
d.
very low frequency
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Q104 mcq
If one wants to divert from main line to a two-direction use, then which of these has to be used? Bend 4
a.
Bend
b.
Union
c.
Elbow
d.
T
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Q105 mcq
The fundamental unit which is common in FPS and MKS systems is . 4 Foot
a.
Foot
b.
Pound
c.
Kilogram
d.
Second
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Q106 mcq
What will be the effect if a refrigeration cycle contains moisture? Capillary may choke VW
a.
Capillary may choke
b.
Compressor will switch off
c.
Fan will switch off
d.
Thermostat will switch off
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Q107 mcq
Bourdon tube can be used for measurements of pressure up to : 10 MN/ m2 4
a.
10 MN/ m2
b.
5 MN/ m2
c.
3. MN/ m2
d.
8 MN/ m2
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Q108 mcq
What is the difference of DC voltages in adjoining brushes? 4 10V
a.
10V
b.
15V
c.
ov
d.
12V
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Q109 mcq
Which method is employed to connect batteries? parallel 4
a.
parallel
b.
Direct
c.
Series
d.
reverse
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Q110 mcq
What does a Multimeter measure? 4 Pressure
a.
Pressure
b.
Current
c.
Temperature
d.
Force
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Q111 mcq
What is the full form of SVGA? Standard Visual Graphics Array 4
a.
Standard Visual Graphics Array
b.
Stereo Video Graphy Array
c.
Super Video Graphics Array
d.
Standard Video Graphics Amplifier
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Q112 mcq
a.
is always zero
b.
is always constant
c.
depends on the load
d.
can fluctuate
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Q113 mcq
What is the atmospheric pressure at sea level? 23 psi 4
a.
23 psi
b.
18.75 psi
c.
14.70 psi
d.
21.70 psi
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Q114 mcq
How many strain gauges are required for measuring deformation? VW Four
a.
Four
b.
Two
c.
Three
d.
One
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Q115 mcq
The receiver tank will help remove water from the system by giving : the air a chance to become cool VW
a.
the air a chance to become cool
b.
the air a chance to become moisture
c.
the air a chance to convert into vapour
d.
the air a chance to become hot
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Q116 mcq
Generator transformers are transformers. Step-up VW
a.
Step-up
b.
Step-down
c.
One-one
d.
Auto
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Q117 mcq
The device used to measure potential difference between two points in volts is known as . Voltmeter VW
a.
Voltmeter
b.
Ammeter
c.
Ohmmeter
d.
Energy metre
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Q118 mcq
Which of the following cutting conditions greatly affects the tool wear? Frequency of use 4
a.
Frequency of use
b.
Depth of cut
c.
Feed
d.
Cutting speed
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Q119 mcq
Digital voltmeters can be used to measure. : voltage and pressure VW
a.
voltage and pressure
b.
force
c.
current
d.
resistance
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Q120 mcq
Where is a field magnet coil fitted in DC generator? In the rotor 4
a.
In the rotor
b.
On the shaft
c.
On the back cover
d.
In the body
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Q121 mcq
Resistivity of the wire depends on mainly number of wires 4
a.
number of wires
b.
Material
c.
Diameter of the wire
d.
Length of the wire
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Q122 mcq
How many types of Phase Sequence Indicators are there? 4 1
a.
1
b.
2
c.
5
d.
10
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Q123 mcq
What instrument is used for visually indicating the pressure level? VW Manometer
a.
Manometer
b.
Diaphragm sensor
c.
Bourdon tube
d.
Resonant wire device
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Q124 mcq
What happens if a kink develops during pipe bending? Finishing gets effected 4
a.
Finishing gets effected
b.
Joining problem occurs
c.
Pressure drop of fluid is more
d.
Pressure drop of fluid is less
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Q125 mcq
Why is straightening of copper tube needed? To increase the fluid pressure VW
a.
To increase the fluid pressure
b.
To avoid corrosion
c.
To decrease the fluid pressure
d.
To make the outer look good
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Q126 mcq
Equalizer ring is required in case of armature having which of the following winding? Lap VW
a.
Lap
b.
Delta
c.
Wave
d.
Duplex
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Q127 mcq
Which of the following material is used for negative pole of a dry cell? silicon 4
a.
silicon
b.
Aluminium
c.
Zine
d.
Lead
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Q128 mcq
A dynamometer type wattmeter consists of. no coils 4
a.
no coils
b.
electric coil
c.
potential and current coils
d.
moving coil
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Q129 mcq
a.
indicate the correct measurement achieved
b.
lock the frame
c.
lock the hub
d.
lock the spindle
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Q130 mcq
Law of conservation of Energy is the basis for law. Ohms 4
a.
Ohms
b.
Faradays
c.
Kirchhoff
d.
Fleming
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Q131 mcq
Which hand tool is used to remove spots for obtaining high degree of accuracy? File 4
a.
File
b.
Scraper
c.
Chisel
d.
Hacksaw
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Q132 mcq
Energy source is NOT available in the battery 4
a.
battery
b.
generator
c.
rheostat
d.
multimeter
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Q133 mcq
What is the meaning of m8 * 1.25? Modern thread with 1.25 mm pitch 4
a.
Modern thread with 1.25 mm pitch
b.
Master thread with 1.25 mm pitch
c.
Malaysia thread with 1.25 mm pitch
d.
Metric thread with 1.25 mm pitch
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Q134 mcq
Root of the thread is : the smallest diameter of a screw thread 4
a.
the smallest diameter of a screw thread
b.
the largest diameter of a screw thread
c.
the bottom of the thread groove
d.
between crest and the root of the thread
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Q135 mcq
Which type of pencil drier adsorbs moisture? Silica gel containing drier 4
a.
Silica gel containing drier
b.
Metal net containing drier
c.
Molecular sieve containing drier
d.
Alumina containing drier
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Q136 mcq
Accrystal diode has : two p-n junctions 4
a.
two p-n junctions
b.
three p-n junctions
c.
four p-n junctions
d.
one p-n junction
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Q137 mcq
If input frequency is 50 Hz, then the ripple frequency of half wave rectifier will be equal to, : 4 25 Hz
a.
25 Hz
b.
50 Hz
c.
100 Hz
d.
500 Hz
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Q138 mcq
A Zener diode is used as : an amplifier 4
a.
an amplifier
b.
a multi-vibrator
c.
arectifier
d.
a voltage regulator
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Q139 mcq
a.
timing elements
b.
movement elements
c.
speed elements
d.
temperature elements
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Q140 mcq
How can the air quality condition of a place be improved? By adding air 4
a.
By adding air
b.
By using a de-humidifier
c.
By filtration of air
d.
By adding moisture to the air
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Q141 mcq
Which of the following is not a type of pressure sensing element? Orifice plate VW
a.
Orifice plate
b.
Bourdon tube
c.
Diaphragm
d.
Bellows
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Q142 mcq
How is the moisture content of ‘condition space’ improved? By removing dry air 4
a.
By removing dry air
b.
By isolating unit
c.
By adding dry air
d.
By adding moisture
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Q143 mcq
If Power = 100 watt and Resistance =4 ohms, then Current (I) = 2 4 10A
a.
10A
b.
100 A
c.
2A
d.
5A
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Q144 mcq
‘What cannot be measured using a CRO device? voltage ripple 4
a.
voltage ripple
b.
resistance
c.
current
d.
voltage
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Q145 mcq
The AC power of output signal is obtained by of amplifier. AC biasing voltage 4
a.
AC biasing voltage
b.
DC biasing voltage
c.
input AC voltage
d.
Input DC voltage
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Q146 mcq
Transformer utilization factor of a half wave rectifier is equal to, . 4 0.267
a.
0.267
b.
0.287
c.
0.297
d.
0.256
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Q147 mcq
An amplifier which has zero input signal is called : fluctuating signal condition 4
a.
fluctuating signal condition
b.
zero signal condition
c.
maximum signal condition
d.
minimum signal condition
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Q148 mcq
The SI unit of inductance is : henry VW
a.
henry
b.
volt
c.
amperes
d.
Ohms
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Q149 mcq
a.
connect two shafts together
b.
change direction of the shaft
c.
change the direction of rotation
d.
connect three shafts together
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Q150 mcq
The Output of NAND Gate is low in case any one of the inputs is LOW 4
a.
any one of the inputs is LOW
b.
any one of the inputs is HIGH
c.
all of the inputs are HIGH
d.
all of the inputs are LOW
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Q151 mcq
Ifa CRO maximum input is 10V, then which of these probes can be used to measure 60V? 4 30x.
a.
30x.
b.
1000x
c.
Ix
d.
10x
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Q152 mcq
In a PNP transistor, the base is of, material. VW N
a.
N
b.
Yy
c.
4
d.
P
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Q153 mcq
Dynamometer type wattmeter responds to the average value of the active power VW
a.
average value of the active power
b.
average value of the reactive power
c.
peak value of the active power
d.
peak value of the reactive power
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Q154 mcq
Tunnel diode has a very fast operation in the frequency region. Wi-Fi 4
a.
Wi-Fi
b.
microwave
c.
ultraviolet
d.
gamma
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Q155 mcq
The cycle required to fetch and execute an instruction in an 8085 microprocessor is known as a : Machine cycle 4
a.
Machine cycle
b.
Memory cycle
c.
Instruction cycle
d.
Clock cycle
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Q156 mcq
Dry cell E.M-F Value is approximately. : 4 2.5V
a.
2.5V
b.
2.0V
c.
0.5V
d.
1.5V
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Q157 mcq
How many control springs are provided in Power Factor Meter? 4 Four
a.
Four
b.
One
c.
Two
d.
Zero
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Q158 mcq
For comfort air zone, what should be the RH range? 4 20%-30%
a.
20%-30%
b.
10%-20%
c.
50%-60%
d.
30%-40%
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Q159 mcq
Which device acts like an NPN and a PNP transistor connected base-to-base and emitter-to-collector? 4 TRIAC
a.
TRIAC
b.
DIAC
c.
SCR
d.
UIST
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Q160 mcq
Cast iron water pipe joint is fitted with the help of. : brazing 4
a.
brazing
b.
asocket
c.
flange coupling
d.
welding
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Q161 mcq
What is used as a Circuit breaker? fuse VW
a.
fuse
b.
resistor
c.
switch
d.
resettable protective device
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Q162 mcq
Which of the following is the unit of length? Light year VW
a.
Light year
b.
Candela
c.
Lunar month
d.
Kelvin
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Q163 mcq
Swaging of copper tube is done for joining the stud 4
a.
the stud
b.
the flaring nut
c.
a dissimilar diameter tube
d.
a tube of the same diameter as the copper tube
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Q164 mcq
Calculate the work done in a resistor of 10 ohm carrying 3A of current in 3 hours. 27kWh 4
a.
27kWh
b.
0.027]
c.
270 k3
d.
0.27 kWh
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Q165 mcq
Megger is an instrument used for the measurement of. : Low resistance 4
a.
Low resistance
b.
Leakage current
c.
Medium resistance
d.
High resistance
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Q166 mcq
a.
Ava Ter
b.
Regaerst wen
c.
faqqavas yer
d.
Wacd Ter
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Q167 mcq
What is the recommended temperature range of copper tube? 4 -29°C to 425°C
a.
-29°C to 425°C
b.
-40°C to 205°C
c.
-80°C to 335°C
d.
-225°C to 550°C
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Q168 mcq
What is the unit for electric charge? watts — hr. 4
a.
watts — hr.
b.
Ampere - hour
c.
Voltage
d.
Ohms - hr
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Q169 mcq
A socket is used to : join two similar pipes VW
a.
join two similar pipes
b.
divert direction of pipe
c.
keep the pipe in same direction
d.
join two dissimilar pipes
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Q170 mcq
is the standard line of measurement tool. Slip gauges 4
a.
Slip gauges
b.
Micrometre
c.
Measuring tape
d.
End bars
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Q171 mcq
Hard copper tube can be flared by, : using hard flaring tool 4
a.
using hard flaring tool
b.
annealing copper tube
c.
applying special chemicals
d.
red hot position of the tube
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Q172 mcq
Ina balanced 3 phase circuit, neutral current is always : 4 122A
a.
122A
b.
10A
c.
15A
d.
OA
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Q173 mcq
Stable Oscillator Output has constant Voltage & resistance 4
a.
Voltage & resistance
b.
Amplitude and frequency
c.
Temperature & movement
d.
Current
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Q174 mcq
What is the probe required for Power Quality Analyser for three phase supply? 1 Current, 2 Voltage 4
a.
1 Current, 2 Voltage
b.
3 Current, 3 Voltage
c.
2 Current , 2 Voltage
d.
2 Current, 1 voltage
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Q175 mcq
A50V bulb passes a current of 0.4A. Calculate the power in the lamp. VW 180W
a.
180W
b.
900W
c.
425W
d.
1125W
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