Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Digestion Filtration Sedimentation Both B and C Digestion Filtration Sedimentation Both B and C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 1500-2500 1-2 5-10 90-120 1500-2500 1-2 5-10 90-120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 170 140 200 120 170 140 200 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Lime Hydrochloric acid Copper sulphate Sodium sulphate Lime Hydrochloric acid Copper sulphate Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Silica gel Pulverised limestone Bog iron (iron oxide) Active carbon Silica gel Pulverised limestone Bog iron (iron oxide) Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a practical method of low level radioactive waste disposal? Dilution with inert material Disposing off in rivers & oceans Filling in steel crates and shooting it off out of earth Discharging to atmosphere through tall stacks after dilution Dilution with inert material Disposing off in rivers & oceans Filling in steel crates and shooting it off out of earth Discharging to atmosphere through tall stacks after dilution ANSWER DOWNLOAD EXAMIANS APP
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