Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes All of these Gastritis & diarrhea Paralysis of muscles & loss of appetite Nervous depression All of these Gastritis & diarrhea Paralysis of muscles & loss of appetite Nervous depression ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 5 10 0.1 0.001 5 10 0.1 0.001 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 Reynold stresses Both A & B Shear forces Neither A nor B Reynold stresses Both A & B Shear forces Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The upper layer of atmosphere is called the Ionosphere None of these Troposphere Stratosphere Ionosphere None of these Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by Gravity separator having oil skimming devices Biological oxygen pond Aerated lagoons Trickling filters Gravity separator having oil skimming devices Biological oxygen pond Aerated lagoons Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Hearing loss Rupture of ear drum Nervousness & fatigue All of these Hearing loss Rupture of ear drum Nervousness & fatigue All of these ANSWER DOWNLOAD EXAMIANS APP
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