Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Electrostatic precipitators Bag filter Dust catcher Wet scrubber Electrostatic precipitators Bag filter Dust catcher Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Chlorine Suspended solids Alkalis Phenol and cynide Chlorine Suspended solids Alkalis Phenol and cynide 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 Both A & B Of increased diameter With greater number of blades Neither A nor B Both A & B Of increased diameter With greater number of blades Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Biological oxygen treatment Adsorption in ion exchange materials None of these Coagulation and filtration Biological oxygen treatment Adsorption in ion exchange materials None of these Coagulation and filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant used for the removal of SO₂ from gas/air? Bog iron Active carbon Silica gel Limestone powder or alkalised alumina Bog iron Active carbon Silica gel Limestone powder or alkalised alumina ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 85 70 50 25 85 70 50 25 ANSWER DOWNLOAD EXAMIANS APP
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