Environmental Engineering in CE A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the Atmospheric effect Ionosphere Global warming Green house Atmospheric effect Ionosphere Global warming Green house ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Dust Colloids or aerosols Powder Smoke Dust Colloids or aerosols Powder Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 5-10 1-2 2000-3000 150-300 5-10 1-2 2000-3000 150-300 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) t = 15 - 0.0035h t = 15 - 0.0065h t = 15 + 0.0065h t = 0.0035h -15 t = 15 - 0.0035h t = 15 - 0.0065h t = 15 + 0.0065h t = 0.0035h -15 ANSWER DOWNLOAD EXAMIANS APP
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 30 to 70 kV AC 230 V AC 230 V DC 30 to 70 kV DC 30 to 70 kV AC 230 V AC ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Metallurgical roasting & smelting plant Petroleum refineries Coal based thermal power plants Pulp and paper plant Metallurgical roasting & smelting plant Petroleum refineries Coal based thermal power plants Pulp and paper plant ANSWER DOWNLOAD EXAMIANS APP
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