Environmental Engineering in CE World environment day is observed every year on the 5th of July December June September July December June September 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. 120 200 170 140 120 200 170 140 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 Quenching of hot coke None of these Discharging in the river stream Filtration and recycling for cooling coke oven gas Quenching of hot coke None of these Discharging in the river stream Filtration and recycling for cooling coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. 120 140 75 95 120 140 75 95 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. Ortho-xylene None of these Potassium cyanide Coal ash Ortho-xylene None of these Potassium cyanide Coal ash ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 10 1 5 20 10 1 5 20 ANSWER DOWNLOAD EXAMIANS APP
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