Most suitable section of sewer in separate sewage system is________________? Read More »
Environmental Engineering A. 15 cm and 100 cm
B. 15 cm and 300 cm
C. 30 cm and 450 cm
D. 60 cm and 300cm
The minimum and maximum diameters of sewers shall preferably be_________________? Read More »
Environmental EngineeringThe design discharge for the separate sewer system shall be taken as_____________? Read More »
Environmental Engineering A. less than 1.0 m/sec
B. 1.0 m/sec to 1.2 m/sec
C. 1.5 m/sec to 2.0 m/sec
D. 3.0 m/sec to 3.5 m/sec
The self cleansing velocity for all sewers in India is usually_________________? Read More »
Environmental Engineering A. the time taken by rainfall water to run from most distant point of water shed to the inlet of sewer
B. the time required for flow of water in sewer to the point under consideration
C. sum of (A) and (B)
D. difference of (A) and (B)
The time of concentration is defined as_______________? Read More »
Environmental Engineering A. is cheaper in initial cost than dry conservancy system
B. requires treatment before disposal
C. creates hygenic problem
D. all of the above
The water carriage system of collection of waste product________________? Read More »
Environmental Engineering A. circular sewer
B. egg shaped sewer
C. rectangular sewer
D. none of the above
Which of the following sewers is preferred for combined system of sewage ? Read More »
Environmental Engineering A. 100 litres
B. 135 litres
C. 165 litres
D. 200 litres
A. house sewer
B. lateral sewer
C. main sewer
D. submain sewer
Scour valves are provided ______________? Read More »
Environmental Engineering