Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 0.1 to 1 15 to 20 3 to 6 10 to 15 0.1 to 1 15 to 20 3 to 6 10 to 15 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 Neither A nor B Shear forces Reynold stresses Both A & B Neither A nor B Shear forces Reynold stresses ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the All of these Acceleration of corrosion rates of metals Reduction in strength of leather & cloth Increased drying & hardening time of paints All of these Acceleration of corrosion rates of metals Reduction in strength of leather & cloth Increased drying & hardening time of paints ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Automobiles exhaust Industrial chimney exhaust Photochemical oxidation of organic matter Forest fire Automobiles exhaust Industrial chimney exhaust Photochemical oxidation of organic matter Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5000 2000 5 50 5000 2000 5 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 4 to 5 13 to 14 1 to 1.5 6.5 to 8 4 to 5 13 to 14 1 to 1.5 6.5 to 8 ANSWER DOWNLOAD EXAMIANS APP