Environmental Engineering In Ce - Study Mode

[#166] Ozone is
Correct Answer

(D) Both B & C

[#167] Pick out the wrong statement
Correct Answer

(C) Carbon monoxide present in the two stroke petrol engine exhaust is much less as compared to that emitted from a four stroke engine

[#168] High noise level in a chemical plant can be controlled by the
Correct Answer

(D) All of the above

[#169] Which of the following fine dust removal equipments is the most efficient?
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(C) Electrostatic precipitator

[#170] When the concentration of SO 2 in air is greater than __________ ppm, it gives a pungent smell.
Correct Answer

(D) 4