Discussion
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- Question
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).
- Correct Answer
- all (a), (b) & (c).
- 1. 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 Discuss
- 2. Exposure to chemicals having carcinogenic properties cause
Options- A. dermatitis (skin disorder)
- B. cancer
- C. asphyxiation
- D. asthma Discuss
- 3. 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
- 4. 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
- 5. __________ can not control the noise pollution.
Options- A. Use of silencers
- B. Green house gases
- C. Vibration damping
- D. Tree plantation Discuss
- 6. Main pollutant present in automobile exhaust is
Options- A. CO
- B. CO2
- C. NO
- D. hydrocarbons Discuss
- 7. Water effluent generated in printing industry is decolourised by
Options- A. ion exchange technique.
- B. reverse osmosis.
- C. electrolytic decomposition.
- D. adsorption. Discuss
- 8. Dissolved oxygen content in river water is around __________ ppm.
Options- A. 5
- B. 100
- C. 250
- D. 500 Discuss
- 9. 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
- 10. Industrial workers working in leather tanning & manufacturing units are prone to suffer from
Options- A. respirtory ailments (e.g. bronchitis).
- B. skin diseases (e.g. dermatities).
- C. silicosis.
- D. blurred vision. Discuss
Environmental Engineering problems
Search Results
Correct Answer: explosion
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: CO
Correct Answer: electrolytic decomposition.
Correct Answer: 5
Correct Answer: Chernobyl (undivided U.S.S.R.)
Correct Answer: skin diseases (e.g. dermatities).
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