The Occupational Health Services convention was held during the year
a.
1975
b.
1985
Correct Answer
c.
1995
d.
1997
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Q2mcq
Choose the right matches among type:
1. PLIBEL - Identification of Ergonomic Hazards.
2. DMQ - Fire safety and rescue
3. QEC - Work place risk assessment
4. RULA - Emergence management
a.
1 and 3 are correct
Correct Answer
b.
1 and 2 are correct
c.
2 and 3 are correct
d.
3 and 4 are correct
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Q3mcq
The probability of adverse effects on human health resulting from some defined condition of exposure to a
particular environmental agent or combination of agents is known as:
a.
Risk
Correct Answer
b.
Hazard
c.
Vulnerable
d.
Threat
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Q4mcq
The toxicants that damage kidney (nephrotoxics) are
a.
Lead, Chromium, Cadmium
b.
Chromium, Arsenic, Mercury
c.
Cadmium, Arsenic, Chromium
d.
Mercury, Cadmium, Lead
Correct Answer
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Q5mcq
Choose the characteristics of disasters from the following:
1. Usually occurs because of one of the danger sources
2. Seriously and substantially impact the most vulnerable groups
3. Results in serious imbalance in community functions
4. Results in significant losses in human lives, materials and environment
a.
2, 3 and 4
b.
1, 2 and 3
c.
1, 2, 3 and 4
Correct Answer
d.
2 and 4
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Q6mcq
Cognitive ergonomics tool is formulated around the concepts of
a.
By ignoring fundamental principles of human actions
b.
Human abnormal behaviour analysis
c.
Mental work and cognitive tool
Correct Answer
d.
Problems of design
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Q7mcq
Types of Hazards in workplace are:
1. Mechanical, vibrational and noise
2. Heat and temperature
3. Flammability
4. Pressure Hazard
a.
1, 2, 3 and 4
Correct Answer
b.
1, 2, and 3
c.
3 and 4
d.
2 alone
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Q8mcq
Major Hazardous risk associated with pesticide manufacturing industries are
a.
Toxic chemical and flammable material
b.
Highly reactive (or) corrosive and extreme condition of temperature
c.
Large mechanical equipment pressure of collision
d.
Toxic chemical and highly reactive (or) corrosive
Correct Answer
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Q9mcq
Assertion [A]: The Bill and Melinda Gates foundation has pledged $200 million for medical aid to
developing countries to fight AIDS, TB and malaria as establishment of emergency preparedness.
Reason [R]: Antiretroviral therapy and antibodies to combat mother to child transmission had proven results in
AIDS control.
a.
Both [A] and [R] are false
b.
[A] is true but [R] is false
c.
[A] is false but [R] is true
d.
Both [A] and [R] are true
Correct Answer
No explanation saved for this question yet.
Q10mcq
Choose the right matches among gloves type:
1. Type 1 glove - 650 rms voltage
2. Type 2 glove - 1300 rms voltage
3. Type 3 glove - 3300 rms voltage
4. Type 4 glove - 6600 rms voltage
a.
1 and 3 are correct
Correct Answer
b.
1 and 2 are correct
c.
2 and 3 are correct
d.
3 and 4 are correct
No explanation saved for this question yet.
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Which of the following statements are true about emergency evacuation?
(i) Precise estimate of evacuation route is of primary importance
(ii) Wardrop's system optimal flow is best suited to decide evacuation route
(iii) Hoppe and Tardos introduced a first polynomial time algorithm for evacuation
a.
(i) only
b.
(i) and (iii) only
c.
(i) and (ii) only
d.
(ii) and (iii) only
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Which of the following statements are correct about Electrical Equipment Safety?
(i) Rubber gloves must be worn when working near live wires carrying 440 volts or more
(ii) All portable electric tools shall be inspected at regular intervals
(iii) Two experienced men are necessary when working with 440 volts or more
a.
(i) only
b.
(i) and (iii) only
c.
(i) and (ii) only
d.
(ii) and (iii) only
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Select the correct benefits of EIA:
a. Environmental condition for better design
b. It helps to reduce project cost
c. Ensures appropriate mitigation measures
d. To understand extensive ecological indicators
a.
b, d
b.
a, b and c
c.
c, d
d.
b, c and d
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Assertion [A]: Expert committees for environmental assessment are constituted to ensure
multidisciplinary inputs.
Reason [R]: These committees cover sectors such as mining, thermal power, river valley, infrastructure and
nuclear power.
a.
Both [A] and [R] are true and [R] is the correct explanation of [A]
b.
Both [A] and [R] are true, but [R] is not the correct explanation of [A]
c.
[A] is true, but [R] is false
d.
[A] is false, but [R] is true
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Assertion [A]: CRZ notification 1991 aims to promote large-scale industrial development along coastal
areas.
Reason [R]: CRZ notification is intended to ensure conservation and proper management of coastal
ecosystems.
a.
Both [A] and [R] are true and [R] is the correct explanation
b.
Both [A] and [R] are true, but [R] is not correct explanation
c.
[A] is true, but [R] is false
d.
[A] is false, but [R] is true
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Among following, identify criteria responsible to satisfy objective of National Environment Policy such as
conservation of critical Environmental resources:
a.
Time and costs
b.
Projects for economic and social development
c.
Conservation of invaluable natural and manmade heritage
d.
Academic and Research Community
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Assertion [A]: EPA 1986 integrates various environmental laws providing unified approach.
Reason [R]: Enacted in response to Bhopal Gas Tragedy to fill gaps in existing regulations.
a.
Both [A] and [R] are true and [R] is the correct explanation of [A]
b.
Both [A] and [R] are true, but [R] is not correct explanation
c.
[A] is true, but [R] is false
d.
[A] is false, but [R] is true
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Assertion [A]: Air Act 1981 aims to Prevent, Control and abate air pollution in India.
Reason [R]: Primarily enacted to regulate forest conservation and wildlife protection.
a.
Both [A] and [R] are true and [R] is the correct explanation
b.
Both [A] and [R] are true, but [R] is not correct explanation
c.
[A] is true, but [R] is false
d.
[A] is false, but [R] is true
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Assertion [A]: 24-hour average NO2 standard under NAAQS is the same for industrial and ecologically
sensitive areas.
Reason [R]: NO2 has similar harmful effects in all areas.
a.
Both [A] and [R] are true and [R] is correct explanation
b.
Both [A] and [R] are true, but [R] not correct explanation
c.
[A] is true, but [R] is false
d.
[A] is false, but [R] is true
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Assertion [A]: 24-hour PM2.5 standard allows exceedance only up to three times a year.
Reason [R]: PM2.5 can penetrate deep into lungs causing severe health issues.
a.
Both [A] and [R] are true and [R] is correct explanation
b.
Both [A] and [R] are true, but [R] not correct explanation
c.
[A] is true, but [R] is false
d.
[A] is false, but [R] is true
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Violating which provisions of the Water Act will impose penalties?
(i) Failure to provide information about discharging effluents
(ii) For prohibiting discharge of polluting matter
(iii) Discharging coloured effluent
(iv) For prohibiting discharge of solid wastes
a.
(i) and (ii)
b.
(iii) and (iv)
c.
(ii), (iii) and (iv)
d.
(i), (ii) and (iv)
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Assertion [A]: Producers have obligation of EPR to meet recycling targets for batteries.
Reason [R]: EPR ensures producers are responsible for entire lifecycle including end-of-life management.
a.
Both [A] and [R] are true and [R] is the correct explanation of [A]
b.
Both [A] and [R] are true, but [R] is not correct explanation
c.
[A] is true, but [R] is false
d.
[A] is false, but [R] is true
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Assertion [A]: Local bodies are responsible for collection, treatment and disposal under SWM Rules 2016.
Reason [R]: The rules assign the task of monitoring and authorizing waste management to local bodies.
a.
Both [A] and [R] are true and [R] is correct explanation
b.
Both [A] and [R] are true, but [R] not correct explanation
c.
[A] is true, but [R] is false
d.
[A] is false, but [R] is true
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Choose the right matches in connection with Air Pollution:
(1) Solid waste disposal is area source
(2) Power plants are point source
(3) Onsite incineration is point source
(4) Railyard locomotives is area source
a.
(1) and (3) are correct
b.
(2) and (3) are correct
c.
(2) and (4) are correct
d.
(3) and (4) are correct
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Assertion [A]: Bubble aeration is a process where gas transfer occurs across gas-water interface.
Reason [R]: Oxygen transfer occurs in three phases: formation, rise and bursting.
a.
Both [A] and [R] are correct and [R] is correct explanation
b.
Both [A] and [R] are correct, but [R] is not correct explanation
c.
[A] is correct, but [R] is incorrect
d.
[A] is incorrect, but [R] is correct
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: In modelling, a variable changes freely in time and space. Reason (R): A state variable represents a state or compartment in the model. (A) Both true and [R] is correct explanation
b.
Both true but [R] not correct explanation
c.
[A] true, [R] false
d.
[A] false, [R] true
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Consider statements about Aerated lagoons:
(i) recommended for complete aerobic biological treatment
(ii) basins 2-4 m deep
(iii) need continuous supply of oxygen
(iv) need not involve microorganisms
a.
(i), (ii), (iii) and (iv)
b.
(i), (ii) and (iii)
c.
(iv) only
d.
(i), (ii) and (iv)
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Secondary settling tank functions:
(i) Clarification of liquid overflow
(ii) Thickening of sludge underflow
(iii) Bulking of sludge by filamentous microbes
a.
(i) and (ii) are correct, (iii) is incorrect
b.
(i) and (iii) correct
c.
(ii) and (iii) correct
d.
(i) correct
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Principal approaches to process control in activated sludge:
(1) Organics that escaped treatment
(2) Controlling waste activated sludge
(3) Not maintaining DO
(4) Regulating amount of return activated sludge
a.
(2) and (3) are correct
b.
(1) and (4) are correct
c.
(4) and (2) are correct
d.
(3) and (1) are correct
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Aerobic suspended growth process used in mechanised plants:
(i) Activated sludge (ii) Aerated lagoons (iii) Waste stabilization ponds (iv) UASB. Which one is irrelevant?
a.
(ii)
b.
(iv)
c.
(iii)
d.
(i)
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Match International Convention Treaty with agenda:
(a) Montreal protocol - 3. Ozone layer
(b) Stockholm convention - 1. Persistent organic pollutants
(c) Kyoto protocol - 4. Greenhouse gas emission
(d) Rio-declaration - 2. Sustainable development
a.
(a)-3, (b)-1, (c)-4, (d)-2
b.
(a)-2, (b)-3, (c)-4, (d)-1
c.
(a)-3, (b)-4, (c)-2, (d)-1
d.
(a)-2, (b)-1, (c)-4, (d)-3
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Assertion [A]: Most significant pollutant from bagasse-fired boilers is particulate matter.
Reason [R]: Auxiliary fuels used during startup when moisture is high.
a.
[A] false, [R] true
b.
Both true and [R] is correct explanation
c.
[A] false, [R] true
d.
Both true, but [R] not correct explanation
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Assertion [A]: Mechanical collectors and wet scrubbers control PM in bagasse boilers.
Reason [R]: Bagasse fly ash is abrasive due to silica and alumina.
a.
[A] true, [R] false
b.
Both true and [R] explains [A]
c.
[A] false, [R] true
d.
Both true, but [R] not explanation
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Which of the following are incorrectly matched?
(1) Odour and Taste - Chemical pollutants
(2) Total Dissolved solids - Physical pollutants
(3) Arsenic pollution - Herbicides and Pesticides
(4) Chromium - Electroplating
a.
(1) and (2)
b.
(1) and (4)
c.
(2) and (3)
d.
(2) and (4)
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Areas where cleaner production measures can be taken:
(i) Change of input materials
(ii) Technology change
(iii) Onsite reuse and recycling
(iv) Good operating practices
a.
Only (i)
b.
Only (iv)
c.
Only (i) and (ii)
d.
(i), (ii), (iii) and (iv)
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Methods involved in green synthesis / chemical recycling of PET:
(1) Closed loop recycling
(2) Open loop recycling
(3) Methanolysis
(4) Transesterification
a.
(1), (3) and (4) are correct
b.
(3), and (4) are correct
c.
(2), and (3) are correct
d.
(2), (3) and (4)
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Arrange layers of secure landfill in order from bottom up:
(i) Polythene liner
(ii) Cushion layer
(iii) Clay layer
(iv) Gravel / leachate collection layer
a.
(i), (ii), (iii), (iv)
b.
(iv), (ii), (i), (iii)
c.
(iii), (iv), (i), (ii)
d.
(ii), (iii), (iv), (i)
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Prime objectives of solid waste management:
(i) Solid waste amounts to environmental threat
(ii) Trim down disposal along with salvaging
(iii) Energy from solid waste
(iv) Reduce pollution load
a.
(i), (ii), (iii), (iv)
b.
(i), (ii), (iii)
c.
(ii), (iii)
d.
(i), (ii), (iv)
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Statements correct:
(i) Density separation by air classifiers
(ii) Iron recovery by magnetic separators
(iii) Aluminium separation by eddy current separators
a.
(i) and (ii) only
b.
(ii) and (iii) only
c.
(i) and (iii) only
d.
(i), (ii) and (iii)
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