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 Reynold stresses Neither A nor B Both A & B Shear forces Reynold stresses Neither A nor B Both A & B Shear forces ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. None of these Anaerobic decomposition Aerobic decomposition Separation None of these Anaerobic decomposition Aerobic decomposition Separation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 2000 10 200 1000 2000 10 200 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 5 1000 100 2000 5 1000 100 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? Hydrocarbons H₂S CO SO₂ Hydrocarbons H₂S CO SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Green house gases Tree plantation Use of silencers Vibration damping Green house gases Tree plantation Use of silencers Vibration damping ANSWER DOWNLOAD EXAMIANS APP