A. At the end of septic tanks
B. On manholes
C. With a W.C. trap
D. At the beginning of sewer line
Related Mcqs:
- To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than_______________?
A. 2.4 m above the hydraulic gradient
B. 6.4 m above the hydraulic gradient
C. 10.0 m above the hydraulic gradient
D. 5.0 above the hydraulic gradient
E. none of the above - The self-cleansing velocity of water flowing through pipe lines, is___________________ ?
A. 2 metres/sec
B. 1 metre/sec
C. 0.5 metre/sec
D. 0.25 metre/sec - The sewer pipe which carries sewage from a building for immediate disposal is______________?
A. House sewer
B. Lateral sewer
C. Intercepting sewer
D. Main sewer - A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is_____________________?
A. 0.30 m/sec
B. 0.35 m/sec
C. 0.40 m/sec
D. 0.45 m/sec - A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is __________________?
A. 9,000 kg
B. 13,500 kg
C. 18,000 kg
D. 27,000 kg
E. 30,000 kg - Flow of water in a pipe about 3 meters in diameter can be measured by_________________?
A. orifice plate
B. venturi
C. rotameter
D. pitot tube
E. nozzle - During the opening of a valve in a pipe line, the flow is___________________?
A. steady
B. unsteady
C. uniform
D. laminar
E. free vortex type - At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be_______________?
A. minimum
B. maximum
C. zero
D. negative value
E. could be any value - Two pipe systems can be said to be equivalent, when the following quantites are same______________?
A. friction loss and flow
B. length and diameter
C. flow and length
D. friction factor and diameter
E. velocity and diameter - In sewers the highest non-scouring velocity is achieved in________________?
A. Glazed bricks sewers
B. Cast iron sewers
C. Cement concrete sewers
D. Stone ware sewers
