Environmental Engineering in CE Color test of water is done with an instrument called Colorimeter Tintometer Turbidimeter Electro-chemical cell Colorimeter Tintometer Turbidimeter Electro-chemical cell ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan Of increased diameter Neither A nor B Both A & B With greater number of blades Of increased diameter Neither A nor B Both A & B With greater number of blades ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 125 85 105 145 125 85 105 145 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is the process of killing organism in water. Sterilisation Coagulation Disinfection Sedimentation Sterilisation Coagulation Disinfection Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Aeration Sterilisation Disinfection None of these Aeration Sterilisation Disinfection None of these ANSWER DOWNLOAD EXAMIANS APP
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