Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 120 200 140 170 120 200 140 170 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 0.001 to 0.01 02 to 0.3 5 to 10 2 to 3 0.001 to 0.01 02 to 0.3 5 to 10 2 to 3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Aeration Disinfection None of these Sterilisation Aeration Disinfection None of these Sterilisation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The upper layer of atmosphere is called the None of these Stratosphere Ionosphere Troposphere None of these Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Coagulation Cation exchanger Irradiation of water by ultraviolet light Chlorine Coagulation Cation exchanger Irradiation of water by ultraviolet light Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Global warming may result in Decrease in food productivity All of these Flood Cyclone Decrease in food productivity All of these Flood Cyclone ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS