Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Pressure relief valve Air relief valve Sluice valve Reflux valve Pressure relief valve Air relief valve Sluice valve Reflux valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Steel Cast iron Copper Reinforced cement concrete Steel Cast iron Copper Reinforced cement concrete ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A sewer that receives the discharge of a number of house sewers is called House sewer Lateral sewer Intercepting sewer Sub-main sewer House sewer Lateral sewer Intercepting sewer Sub-main sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 500 to 600 50 to 60 1400 to 1500 100 to 150 500 to 600 50 to 60 1400 to 1500 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is Greater than HMD when flowing full Less than HMD when flowing full None of these Equal to HMD when flowing full Greater than HMD when flowing full Less than HMD when flowing full None of these Equal to HMD when flowing full ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Copper sulphate Sulphuric acid Sodium permanganate Lime Copper sulphate Sulphuric acid Sodium permanganate Lime ANSWER DOWNLOAD EXAMIANS APP