Environmental Engineering The velocity of flow of water in a sedimentation tank is about 5 to 10 cm/sec 15 to 30 cm/sec 15 to 30 cm/minute 15 to 30 cm/hour 5 to 10 cm/sec 15 to 30 cm/sec 15 to 30 cm/minute 15 to 30 cm/hour ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by BOD > COD > TOD TOD > BOD > COD TOD > COD > BOD COD > BOD > TOD BOD > COD > TOD TOD > BOD > COD TOD > COD > BOD COD > BOD > TOD ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pipe which is used to carry the discharge from sanitary fittings like bath rooms, kitchens etc. is called Soil pipe Waste pipe Anti-siphonage pipe Vent pipe Soil pipe Waste pipe Anti-siphonage pipe Vent pipe ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called House sewer Sub-main sewer Main sewer Lateral sewer House sewer Sub-main sewer Main sewer Lateral sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Air relief valve Pressure relief valve Sluice valve Reflux valve Air relief valve Pressure relief valve Sluice valve Reflux valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) At a distance R/2 from the well None of these Close to the well At a distance R from the well At a distance R/2 from the well None of these Close to the well At a distance R from the well ANSWER DOWNLOAD EXAMIANS APP
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