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Chemical Engineering - Environmental Engineering

Exercise : Environmental Engineering - Section 1
11.
During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum ?
Idle running
Acceleration
Cruising
Deaccelaration
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
H2S present in gaseous stream can be removed by adsorption on
silica gel
active carbon
bog iron
limestone powder
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes
blood poisoning.
anaemia.
nervous system disorder.
all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by
natural aeration of water stream.
photosynthetic action of algae.
both (a) & (b).
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to
Reynold stresses
shear forces
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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