Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Soluble and toxic organics Suspended solids All of these Heavy metals and cynides Soluble and toxic organics Suspended solids All of these Heavy metals and cynides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Green house effect Both B and C Catalytic conversion Global warming Green house effect Both B and C Catalytic conversion Global warming ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 6000 to 9000 1000 to 2000 3000 to 6000 10000 to 100000 6000 to 9000 1000 to 2000 3000 to 6000 10000 to 100000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 10 1 20 5 10 1 20 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Its dissolved oxygen content Caustic embrittlement Foaming from boilers Its silica content Its dissolved oxygen content Caustic embrittlement Foaming from boilers Its silica content 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 Prevents solar heat being radiated out completely, resulting in All of these Reflects and absorbs the longer wavelength (infra-red) radiations Allows visible solar radiation (ultraviolet) of short wave-length to pass through Prevents solar heat being radiated out completely, resulting in All of these Reflects and absorbs the longer wavelength (infra-red) radiations ANSWER DOWNLOAD EXAMIANS APP