Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Carbonate Calcium Sulphate Choride Carbonate Calcium Sulphate Choride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) B 4B 8B 2B B 4B 8B 2B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N₂ in contaminated air at which it acts as a natural asphyxant is ≥ __________ percent. 80 88 84 92 80 88 84 92 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 5 1000 10000 500 5 1000 10000 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 2000 200 10 1000 2000 200 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The common pollutant generated in chlor-alkali industry and battery manufacture is None of these Mercury Brine Phosphate None of these Mercury Brine Phosphate ANSWER DOWNLOAD EXAMIANS APP
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