Waste Water Engineering Dried sewage after treatment is used as Building material Chemical for lowering B.O.D. Base material for paints Fertilizer Building material Chemical for lowering B.O.D. Base material for paints Fertilizer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Facultative bacteria survive in The absence of oxygen The presence of oxygen Both cases A and B Neither A nor B The absence of oxygen The presence of oxygen Both cases A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following tests is used for testing sewer pipes? Mirror test Ball test Water test All of these Mirror test Ball test Water test All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Discrete or granular particles change their Shape Weight None of these Size Shape Weight None of these Size ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sludge banks are formed if sewage is disposed of in Lakes None of these Rivers Seas Lakes None of these Rivers Seas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in Three to four hours One hour Six hours Two to three hours Three to four hours One hour Six hours Two to three hours ANSWER DOWNLOAD EXAMIANS APP
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