Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 200 170 140 120 200 170 140 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Soluble and toxic organics Heavy metals and cynides Suspended solids All of these Soluble and toxic organics Heavy metals and cynides Suspended solids All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? None of these Stratosphere Troposphere Thermosphere None of these Stratosphere Troposphere Thermosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Carbon monoxide Oxides of nitrogen Oxides of sulphur Hydrogen sulphide Carbon monoxide Oxides of nitrogen Oxides of sulphur Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for All of these Conversion of CO into CO₂ in the second compartment Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment All of these Conversion of CO into CO₂ in the second compartment Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following fine dust removal equipments is the most efficient? Cyclone separator Electrostatic precipitator Bag filter Scrubber Cyclone separator Electrostatic precipitator Bag filter Scrubber ANSWER DOWNLOAD EXAMIANS APP
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