Chemical Engineering - Environmental Engineering
Exercise :: Environmental Engineering - Section 4
| 46. |
Green house effect is accentuated by |
| A. |
deforestation. | | B. |
rapid industrialisation. | | C. |
increased transportation activity. | | D. |
all (a), (b) and (c). |
Answer: Option D
Explanation:
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| 47. |
Thermal pollution due to excessive heat & temperature in the working place causes |
| A. |
reduction in working efficiency of manpower. | | B. |
fatigue. | | C. |
high breathing rate. | | D. |
all (a), (b) & (c). |
Answer: Option D
Explanation:
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| 48. |
High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes |
| A. |
cancer | | B. |
silicosis | | C. |
respiratory disease (e.g., asthma) | | D. |
reduced crop yield |
Answer: Option A
Explanation:
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| 49. |
World environment day is observed every year on the 5th of |
Answer: Option A
Explanation:
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| 50. |
The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is |
| A. |
pipe vibrations. | | B. |
cavitation. | | C. |
boundary layer separation. | | D. |
fluctuation in liquid flow. |
Answer: Option B
Explanation:
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