Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Damage to building materials like marble Asphyxiation (suffocation) leading to death Retardation in crop growth Respiratory disease (e.g. asthma) Damage to building materials like marble Asphyxiation (suffocation) leading to death Retardation in crop growth Respiratory disease (e.g. asthma) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Shrinkage of filtering media Expansion of filtering media Air binding Mud balls Shrinkage of filtering media Expansion of filtering media Air binding Mud balls ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 500 1 50 5 500 1 50 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 230 20 1500 750 230 20 1500 750 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 25 650 150 1 25 650 150 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Keeping the pH value of feed water just below 7 Reduction in hardness, silica & alumina in feed water Preheating of feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 Reduction in hardness, silica & alumina in feed water Preheating of feed water Eliminating H₂S in feed water ANSWER DOWNLOAD EXAMIANS APP
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