Environmental Engineering A pipe which is installed in the house drainage to preserve the water seal of traps is called Waste pipe Soil pipe Vent pipe Anti-siphonage pipe Waste pipe Soil pipe Vent pipe Anti-siphonage pipe ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 4 ppm 10 ppm 1 ppm 40 ppm 4 ppm 10 ppm 1 ppm 40 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 350 to 500 0 to 50 150 to 350 50 to 150 350 to 500 0 to 50 150 to 350 50 to 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow of water in a sedimentation tank is about 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/sec 15 to 30 cm/hour 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/sec 15 to 30 cm/hour ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as Hypo-chlorination Pre-chlorination Super chlorination De-chlorination Hypo-chlorination Pre-chlorination Super chlorination De-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Corrosion in concrete sewers is caused by Nitrogen Dissolved oxygen Chlorine Septic conditions Nitrogen Dissolved oxygen Chlorine Septic conditions ANSWER DOWNLOAD EXAMIANS APP
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