Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Alkalinity Hardness Iron & zinc Acidity Alkalinity Hardness Iron & zinc Acidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 180 120 90 150 180 120 90 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Hydrogen Acetylene Carbon monoxide Petrol vapor Hydrogen Acetylene Carbon monoxide Petrol vapor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 42 2 332 1050 42 2 332 1050 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tank is a(i) Settling tank(ii) Digestion tank(iii) Aeration tank Only (iii) (i) and (iii) (i) and (ii) Only (i) Only (iii) (i) and (iii) (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Pensylvania (U.S.A.) Chernobyl (undivided U.S.S.R.) Arizona (U.S.A.) Moscow (U.S.S.R.) Pensylvania (U.S.A.) Chernobyl (undivided U.S.S.R.) Arizona (U.S.A.) Moscow (U.S.S.R.) ANSWER DOWNLOAD EXAMIANS APP
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