Environmental Engineering in CE Which of the following is not a practical method of low level radioactive waste disposal? Discharging to atmosphere through tall stacks after dilution Dilution with inert material Filling in steel crates and shooting it off out of earth Disposing off in rivers & oceans Discharging to atmosphere through tall stacks after dilution Dilution with inert material Filling in steel crates and shooting it off out of earth Disposing off in rivers & oceans ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of Nā in contaminated air at which it acts as a natural asphyxant is ā„ __________ percent. 84 92 80 88 84 92 80 88 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal In vacuum filter In sedimentation tanks equipped with mechanical scrapper By chemical coagulation In clarifiers In vacuum filter In sedimentation tanks equipped with mechanical scrapper By chemical coagulation In clarifiers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Aerobic Anaerobic Parasitic Saphrophytic Aerobic Anaerobic Parasitic Saphrophytic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Deaccelaration Idle running Acceleration Cruising Deaccelaration Idle running Acceleration Cruising ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 750 20 230 1500 750 20 230 1500 ANSWER DOWNLOAD EXAMIANS APP
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