Environmental Engineering in CE Ionisation potential employed in the industrial electrostatic precipitator is of the order of 230 V DC 30 to 70 kV DC 230 V AC 30 to 70 kV AC 230 V DC 30 to 70 kV DC 230 V AC 30 to 70 kV AC ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Carbonates Sulphides Chlorides Bi-carbonates Carbonates Sulphides Chlorides Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Suspended solids Phenol and cynide Alkalis Chlorine Suspended solids Phenol and cynide Alkalis Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Moscow (U.S.S.R.) Arizona (U.S.A.) Chernobyl (undivided U.S.S.R.) Pensylvania (U.S.A.) Moscow (U.S.S.R.) Arizona (U.S.A.) Chernobyl (undivided U.S.S.R.) Pensylvania (U.S.A.) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 8 to 12 16 to 20 2 to 4 24 to 32 8 to 12 16 to 20 2 to 4 24 to 32 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. 120 150 180 90 120 150 180 90 ANSWER DOWNLOAD EXAMIANS APP