Environmental Engineering in CE Ionisation potential employed in the industrial electrostatic precipitator is of the order of 30 to 70 kV AC 30 to 70 kV DC 230 V DC 230 V AC 30 to 70 kV AC 30 to 70 kV DC 230 V DC 230 V AC ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. None of these Aeration Sterilisation Disinfection None of these Aeration Sterilisation Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 16 to 20 24 to 32 8 to 12 2 to 4 16 to 20 24 to 32 8 to 12 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Respiratory disease (e.g., asthma) Cancer Reduced crop yield Silicosis Respiratory disease (e.g., asthma) Cancer Reduced crop yield Silicosis 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. 20 10 1 5 20 10 1 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 0.001 0.1 5 1 0.001 0.1 5 1 ANSWER DOWNLOAD EXAMIANS APP
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