Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Woolen clothes Metallic powder Foodstuffs None of these Woolen clothes Metallic powder Foodstuffs None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Coal based thermal power plants Petroleum refineries Pulp and paper plant Metallurgical roasting & smelting plant Coal based thermal power plants Petroleum refineries Pulp and paper plant Metallurgical roasting & smelting plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 5 to 10 0.001 to 0.01 02 to 0.3 2 to 3 5 to 10 0.001 to 0.01 02 to 0.3 2 to 3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Refrigerators Xerox machines High voltage electrical equipments Dermatological photo-therapy equipments Refrigerators Xerox machines High voltage electrical equipments Dermatological photo-therapy equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 10 to 20 4000 to 5000 100 to 200 1500 to 2500 10 to 20 4000 to 5000 100 to 200 1500 to 2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is Pipe vibrations Boundary layer separation Fluctuation in liquid flow Cavitation Pipe vibrations Boundary layer separation Fluctuation in liquid flow Cavitation ANSWER DOWNLOAD EXAMIANS APP