Environmental Engineering in CE On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because It forms CO₂ by combining with oxygen present in the blood Of jamming of respiratory tract Of clotting of blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen It forms CO₂ by combining with oxygen present in the blood Of jamming of respiratory tract Of clotting of blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Grit Aggregates Smoke Aerosols Grit Aggregates Smoke Aerosols ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pollution by particulate matter emission in the atmosphere does not take place during metal Machining Grinding Cutting Polishing Machining Grinding Cutting Polishing ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CH₄ CO₂ N₂ CO CH₄ CO₂ N₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. 100-1000 100-200 10-100 100-1000 100-200 10-100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in All of these Allows visible solar radiation (ultraviolet) of short wave-length to pass through Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in All of these Allows visible solar radiation (ultraviolet) of short wave-length to pass through ANSWER DOWNLOAD EXAMIANS APP