Environmental Engineering in CE MCQs
Practice free Environmental Engineering in CE multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 307 questions — no login required.
Question 100easy
Noise pollution level in a chemical plant is expressed in
Question 101easy
Carcinogenic air pollutants cause
Question 102hard
TLV of ozone (O3) and phosgene (COCl2) in air is __________ ppm.
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Question 103hard
Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called
Question 104hard
World's worst radioactive pollution was caused by nuclear reactor disaster which occured in
Question 105hard
Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes
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Question 106medium
The term Biological Oxygen Demand (BOD) is used in relation to
Question 107hard
Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by
Question 108medium
Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in