Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5000 5 50 2000 5000 5 50 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a practical method of low level radioactive waste disposal? Disposing off in rivers & oceans Dilution with inert material Filling in steel crates and shooting it off out of earth Discharging to atmosphere through tall stacks after dilution Disposing off in rivers & oceans Dilution with inert material Filling in steel crates and shooting it off out of earth Discharging to atmosphere through tall stacks after dilution ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Forest fire Photochemical oxidation of organic matter Automobiles exhaust Industrial chimney exhaust Forest fire Photochemical oxidation of organic matter Automobiles exhaust Industrial chimney exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? Arsenic Aluminium Lead Mercury Arsenic Aluminium Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 1050 42 2 332 1050 42 2 332 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 10 to 15 15 to 20 0.1 to 1 3 to 6 10 to 15 15 to 20 0.1 to 1 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
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