Environmental Engineering in CE Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes Persistent foam Fire hazards Depletion of dissolved oxygen Explosion hazards Persistent foam Fire hazards Depletion of dissolved oxygen Explosion hazards ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. All of these Color (Hazen) Turbidity Total solids All of these Color (Hazen) Turbidity Total solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma All of these Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a practical method of low level radioactive waste disposal? 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 Disposing off in rivers & oceans Dilution with inert material ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Skimming off Sedimentation Chlorination Biological oxidation Skimming off Sedimentation Chlorination Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing None of these Metallic powder Woolen clothes Foodstuffs None of these Metallic powder Woolen clothes Foodstuffs ANSWER DOWNLOAD EXAMIANS APP
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