Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 3 7 20 1 3 7 20 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Presumptive EDTA Total count Electometric Presumptive EDTA Total count Electometric ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Gaseous fuel in the furnace Very high excess air Low excess air Liquid fuel in the furnace Gaseous fuel in the furnace Very high excess air Low excess air Liquid fuel in the furnace ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 0.3 0.01 0.1 1 0.3 0.01 0.1 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes Explosion hazards Persistent foam Fire hazards Depletion of dissolved oxygen Explosion hazards Persistent foam Fire hazards Depletion of dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 115 10 90 45 115 10 90 45 ANSWER DOWNLOAD EXAMIANS APP
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