A. 26.88 cumecs
B. 27.88 cumecs
C. 28.88 cumecs
D. 29.88 cumecs
Related Mcqs:
- If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is_________________?
A. 100 cm
B. 90 cm
C. 80 cm
D. 50 cm - If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is___________________?
A. 2 hours
B. 4 hours
C. 6 hours
D. 8 hours - If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is________________?
A. 2 hours
B. 3 hours
C. 4 hours
D. 5 hours - For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is________________?
A. 10 cm
B. 12 cm
C. 15 cm
D. 18 cm - The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called ____________________?
A. Inverted syphon
B. Depressed sewer
C. Sag pipe
D. all of these - The sewer which received discharge from two or more main sewers, is known as_______________?
A. A trunk sewer
B. An outfall sewer
C. A main sewer
D. An intercepting sewer - If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is__________________?
A. 1.39 m
B. 1.49 m
C. 1.59 m
D. 1.69 m - The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is_____________________?
A. 0.05552 cumec
B. 0.05554 cumec
C. 0.05556 cumec
D. 0.0556 cumec - The ratio of design discharge to the surface area of a sedimentation tank is called____________________?
A. Surface loading
B. Overflow rate
C. Overflow velocity
D. All of these - For design of sewers, percentage of sewage discharge is assumed_____________________?
A. 65 to 70%
B. 70 to 75%
C. 75 to 80%
D. 85%
