Environmental Engineering In Ce - Study Mode

[#136] The permissible color for domestic water supply is __________ ppm.
Correct Answer

(B) 20

[#137] Reingleman chart is used for the evaluation of __________ pollution.
Correct Answer

(A) Air

[#138] Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the
Correct Answer

(C) Green house effect

[#139] The Killer gas which caused Bhopal gas tragedy in 1984 was
Correct Answer

(B) Methyl iso-cynate (MIC)

[#140] A shallow pond in which the sewage is retained and biologically treated is called
Correct Answer

(A) Oxidation