Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 100 80 125 145 100 80 125 145 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace. Pulverised coal as fuel Hydrocarbon fuel Large quantity of excess combustion air Low amount of excess combustion air Pulverised coal as fuel Hydrocarbon fuel Large quantity of excess combustion air Low amount of excess combustion air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? Dust & mists None of these Photochemical smog & soot Smoke & fumes Dust & mists None of these Photochemical smog & soot Smoke & fumes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is the process of killing organism in water. Sedimentation Coagulation Sterilisation Disinfection Sedimentation Coagulation Sterilisation Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Hydrogen Acetylene Ammonia Carbon monoxide Hydrogen Acetylene Ammonia Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 120 20 60 90 120 20 60 90 ANSWER DOWNLOAD EXAMIANS APP
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