Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Cyclone separator Hollow wet scrubber Dust catcher (gravity type) Bag filter Cyclone separator Hollow wet scrubber Dust catcher (gravity type) Bag filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Ozone Metallic powders Carcinogens Pesticides Ozone Metallic powders Carcinogens Pesticides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants, if present in atmosphere is detectable by its odour? SO₂ CO NO₂ CO₂ SO₂ CO NO₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 2000-3000 1-2 150-300 5-10 2000-3000 1-2 150-300 5-10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. 100-200 10-100 100-1000 100-200 10-100 100-1000 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 Both A & B Shear forces Reynold stresses Neither A nor B Both A & B Shear forces Reynold stresses Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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