Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CH₄ CO CO₂ H₂ CH₄ CO CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
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 230 V DC 30 to 70 kV AC 230 V AC 30 to 70 kV DC 230 V DC 30 to 70 kV AC ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ bacteria in water causes disease like typhoid. Anaerobic Pathogenic Non-pathogenic Aerobic Anaerobic Pathogenic Non-pathogenic Aerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate? NOx SO₂ CFC (chloro fluoro carbons) CO NOx SO₂ CFC (chloro fluoro carbons) CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is(i) Presumptive coli-form test(ii) Confirmed coli-form test(iii) Completed coli-form test Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) Only (i) Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 3000 to 6000 1000 to 2000 10000 to 100000 6000 to 9000 3000 to 6000 1000 to 2000 10000 to 100000 6000 to 9000 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS