Environmental Engineering in CE 'Pneumoconiosis' is a disease caused by the inhalation of __________ dust. Uranium ore Lime Iron ore Coal Uranium ore Lime Iron ore Coal ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. Dissolved solids Dissolved gases Suspended solids None of these Dissolved solids Dissolved gases Suspended solids None of these 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 15 6.5 0.05 1 15 6.5 0.05 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. 170 200 120 140 170 200 120 140 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of Ultraviolet light for irradiation of water Ozone and iodine Chlorine or its compounds All of these Ultraviolet light for irradiation of water Ozone and iodine Chlorine or its compounds All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible turbidity in potable water is __________ ppm. 1 1000 250 10 1 1000 250 10 ANSWER DOWNLOAD EXAMIANS APP