Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 120 80 25 50 120 80 25 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of boiler feed water Characterisation of liquid effluents Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of boiler feed water Characterisation of liquid effluents Organic concentration in gaseous effluents Characterisation of solid wastes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 8 to 12 16 to 20 2 to 4 24 to 32 8 to 12 16 to 20 2 to 4 24 to 32 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 100 1 1000 20 100 1 1000 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 1 0.1 0.3 0.01 1 0.1 0.3 0.01 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Aerobic Anaerobic Saphrophytic Parasitic Aerobic Anaerobic Saphrophytic Parasitic ANSWER DOWNLOAD EXAMIANS APP
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