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 91medium
Persons working in cement plants and limestone quarries are more prone to disease like
Question 92hard
Dissolved oxygen content in river water is around __________ ppm.
Question 93hard
Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of
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Question 94hard
The permissible color for domestic water supply is __________ ppm.
Question 95medium
Reingleman chart is used for the evaluation of __________ pollution.
Question 96hard
Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the
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Question 97medium
The Killer gas which caused Bhopal gas tragedy in 1984 was
Question 98medium
A shallow pond in which the sewage is retained and biologically treated is called
Question 99hard
From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm.