Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of February July December April February July December April 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. 1 0.05 6.5 15 1 0.05 6.5 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 80 125 145 100 80 125 145 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following acts as a natural source of air pollution? None of these Deforestation Volcanic eruption Forest fire None of these Deforestation Volcanic eruption Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 15-20 43961 25-30 43832 15-20 43961 25-30 43832 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 1000 500 5 2000 1000 500 5 2000 ANSWER DOWNLOAD EXAMIANS APP
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