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- Question
Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause
Options- A. explosion
- B. non biodegradable foam
- C. undesirable plant growth
- D. corrosion
- Correct Answer
- explosion
- 1. Exposure to chemicals having carcinogenic properties cause
Options- A. dermatitis (skin disorder)
- B. cancer
- C. asphyxiation
- D. asthma Discuss
- 2. Pick out the wrong statement.
Options- A. Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions.
- B. Inhalation of pollutant carbon monoxide results in death by asphyxiation.
- C. Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles.
- D. Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere. Discuss
- 3. Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called
Options- A. thermosphere
- B. stratosphere
- C. troposphere
- D. mesosphere Discuss
- 4. __________ can not control the noise pollution.
Options- A. Use of silencers
- B. Green house gases
- C. Vibration damping
- D. Tree plantation Discuss
- 5. Pick out the wrong statement.
Options- A. Biological oxygen demand (B.O.D.) value of a sewerage sample is always lower than its chemical oxygen demand (C.O.D.) value.
- B. Environmental pollution by NOx emission is much higher by four stroke petrol engines as compared to the two stroke engines.
- C. Temperature in stratosphere rises with increasing altitude.
- D. The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere. Discuss
- 6. Presence of __________ in water stream are deleterious to aquatic life.
Options- A. soluble and toxic organics.
- B. suspended solids.
- C. heavy metals and cynides.
- D. all (a), (b) & (c). Discuss
- 7. Main pollutant present in automobile exhaust is
Options- A. CO
- B. CO2
- C. NO
- D. hydrocarbons Discuss
- 8. Water effluent generated in printing industry is decolourised by
Options- A. ion exchange technique.
- B. reverse osmosis.
- C. electrolytic decomposition.
- D. adsorption. Discuss
- 9. Dissolved oxygen content in river water is around __________ ppm.
Options- A. 5
- B. 100
- C. 250
- D. 500 Discuss
- 10. World's worst radioactive pollution was caused by nuclear reactor disaster which occured in
Options- A. Arizona (U.S.A.)
- B. Chernobyl (undivided U.S.S.R.)
- C. Pensylvania (U.S.A.)
- D. Moscow (U.S.S.R.) Discuss
Environmental Engineering problems
Search Results
Correct Answer: cancer
Correct Answer: Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles.
Correct Answer: stratosphere
Correct Answer: Green house gases
Correct Answer: The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere.
Correct Answer: all (a), (b) & (c).
Correct Answer: CO
Correct Answer: electrolytic decomposition.
Correct Answer: 5
Correct Answer: Chernobyl (undivided U.S.S.R.)
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