Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 8 to 12 24 to 32 2 to 4 16 to 20 8 to 12 24 to 32 2 to 4 16 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. 15 6.5 0.05 1 15 6.5 0.05 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is A liquid particle resulting from vapor condensation A solid particle e.g. flyash A combination of smoke and fog Nothing but black smoke A liquid particle resulting from vapor condensation A solid particle e.g. flyash A combination of smoke and fog Nothing but black smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 170 120 200 140 170 120 200 140 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Asthma Asphyxiation (suffocation) Cancer Dermatitis (skin disorder) Asthma Asphyxiation (suffocation) Cancer Dermatitis (skin disorder) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SO₂ as an air pollutant. Nitric acid Chloralkali Iron & steel Sulphuric acid Nitric acid Chloralkali Iron & steel Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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