Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Toluene Carbon disulphide Carbon dioxide Acetaldehyde Toluene Carbon disulphide Carbon dioxide Acetaldehyde ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Mercury Cadmium Asbestos Hydrogen sulphide Mercury Cadmium Asbestos Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes All of these Nervous depression Gastritis & diarrhea Paralysis of muscles & loss of appetite All of these Nervous depression Gastritis & diarrhea Paralysis of muscles & loss of appetite ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. Color (Hazen) All of these Turbidity Total solids Color (Hazen) All of these Turbidity Total solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Shrinkage of filtering media Air binding Mud balls Expansion of filtering media Shrinkage of filtering media Air binding Mud balls Expansion of filtering media ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Arizona (U.S.A.) Pensylvania (U.S.A.) Moscow (U.S.S.R.) Chernobyl (undivided U.S.S.R.) Arizona (U.S.A.) Pensylvania (U.S.A.) Moscow (U.S.S.R.) Chernobyl (undivided U.S.S.R.) ANSWER DOWNLOAD EXAMIANS APP