Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is 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 Greater than HMD when flowing full Less than HMD when flowing full None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is usually designed for 28 years 27 years 26 years 25 years 28 years 27 years 26 years 25 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 100 59 50 75 100 59 50 75 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The self cleansing velocity for all sewers in India is usually 3.0 m/sec to 3.5 m/sec 1.0 m/sec to 1.2 m/sec Less than 1.0 m/sec 1.5 m/sec to 2.0 m/sec 3.0 m/sec to 3.5 m/sec 1.0 m/sec to 1.2 m/sec Less than 1.0 m/sec 1.5 m/sec to 2.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Pressure relief valve Air relief valve Reflux valve Sluice valve Pressure relief valve Air relief valve Reflux valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 1.00 to 1.80 mm 0.60 to 1.00 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.60 to 1.00 mm 0.25 to 0.35 mm 0.35 to 0.60 mm ANSWER DOWNLOAD EXAMIANS APP