Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 5 25 1 0.1 5 25 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 0.01 0.1 1 0.3 0.01 0.1 1 0.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Sulphur dioxide Phosgene Methyl iso-cynate (MIC) Carbon monoxide Sulphur dioxide Phosgene Methyl iso-cynate (MIC) Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 120 90 150 180 120 90 150 180 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smoke is produced due to Insufficient supply of combustion air and insufficient time for combustion Poor design & overloading of furnace All of these Poor quality of fuel and improper mixing of fuel & combustion air Insufficient supply of combustion air and insufficient time for combustion Poor design & overloading of furnace All of these Poor quality of fuel and improper mixing of fuel & combustion air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using Accoustical absorbent None of these Mufflers (silencers) Lagging of noisy duct Accoustical absorbent None of these Mufflers (silencers) Lagging of noisy duct ANSWER DOWNLOAD EXAMIANS APP
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