Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Removal of permanent hardness Weed control in reservoirs Taste & odour control Disinfection Removal of permanent hardness Weed control in reservoirs Taste & odour control Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones. 10² 10⁵ 10⁹ 10¹⁵ 10² 10⁵ 10⁹ 10¹⁵ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by Discharging in the river stream None of these Quenching of hot coke Filtration and recycling for cooling coke oven gas Discharging in the river stream None of these Quenching of hot coke Filtration and recycling for cooling coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in Hertz None of these Decibel Roentgen Hertz None of these Decibel Roentgen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of CFC (chloro fluoro carbon) CO₂ Hydrocarbons SO₂ CFC (chloro fluoro carbon) CO₂ Hydrocarbons SO₂ 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? Thermosphere Troposphere Stratosphere None of these Thermosphere Troposphere Stratosphere None of these ANSWER DOWNLOAD EXAMIANS APP
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