Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. None of these Dissolved gases Dissolved solids Suspended solids None of these Dissolved gases Dissolved solids Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 160 105 135 185 160 105 135 185 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 25 50 80 120 25 50 80 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion of building materials Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion of building materials ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Deaccelaration Cruising Acceleration Idle running Deaccelaration Cruising Acceleration Idle running 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 With greater number of blades Neither A nor B Both A & B Of increased diameter With greater number of blades Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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