Environmental Engineering in CE Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of CO into CO₂ in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment All of these Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of CO into CO₂ in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones. 10⁵ 10¹⁵ 10² 10⁹ 10⁵ 10¹⁵ 10² 10⁹ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. Dissolved gases None of these Suspended solids Dissolved solids Dissolved gases None of these Suspended solids Dissolved solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 357 1097 0.5 17 357 1097 0.5 17 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Reflects and absorbs the longer wavelength (infra-red) radiations Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these Prevents solar heat being radiated out completely, resulting in Reflects and absorbs the longer wavelength (infra-red) radiations Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these Prevents solar heat being radiated out completely, resulting in ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the Ionosphere Global warming Atmospheric effect Green house Ionosphere Global warming Atmospheric effect Green house ANSWER DOWNLOAD EXAMIANS APP
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