Environmental Engineering in CE 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Photochemical reaction in polluted atmosphere Industrial chimney exhaust Automobiles exhaust Burning of domestic fuel Photochemical reaction in polluted atmosphere Industrial chimney exhaust Automobiles exhaust Burning of domestic fuel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Inlet gas velocity Diameter Overall height All of these Inlet gas velocity Diameter Overall height All of these 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? Idle running Acceleration Cruising Deaccelaration Idle running Acceleration Cruising Deaccelaration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes All of these Reduction in working efficiency of manpower High breathing rate Fatigue All of these Reduction in working efficiency of manpower High breathing rate Fatigue ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house effect is accentuated by All of these Rapid industrialisation Increased transportation activity Deforestation All of these Rapid industrialisation Increased transportation activity Deforestation ANSWER DOWNLOAD EXAMIANS APP
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