Environmental Engineering in CE Ionisation potential employed in the industrial electrostatic precipitator is of the order of 230 V AC 30 to 70 kV DC 30 to 70 kV AC 230 V DC 230 V AC 30 to 70 kV DC 30 to 70 kV AC 230 V DC ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? None of these Troposphere Stratosphere Thermosphere None of these Troposphere Stratosphere Thermosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Photochemical reaction in polluted atmosphere Automobiles exhaust Burning of domestic fuel Industrial chimney exhaust Photochemical reaction in polluted atmosphere Automobiles exhaust Burning of domestic fuel Industrial chimney exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 90 60 20 120 90 60 20 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to Shear forces Neither A nor B Reynold stresses Both A & B Shear forces Neither A nor B Reynold stresses Both A & B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smoke is produced due to All of these Poor quality of fuel and improper mixing of fuel & combustion air Poor design & overloading of furnace Insufficient supply of combustion air and insufficient time for combustion All of these Poor quality of fuel and improper mixing of fuel & combustion air Poor design & overloading of furnace Insufficient supply of combustion air and insufficient time for combustion ANSWER DOWNLOAD EXAMIANS APP
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