Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 0.1 1 0.01 0.3 0.1 1 0.01 0.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 80 120 50 25 80 120 50 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? NOx F SO₂ Hg NOx F SO₂ Hg ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 2000 5000 1000 50 2000 5000 1000 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes All of these Fatigue High breathing rate Reduction in working efficiency of manpower All of these Fatigue High breathing rate Reduction in working efficiency of manpower ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 1 0.1 0.001 5 1 0.1 0.001 5 ANSWER DOWNLOAD EXAMIANS APP
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