A. Circular
B. Egg shaped
C. Rectangular
D. Horse shoe shaped
Related Mcqs:
- The most efficient cross-section of sewers in a combined sewerage system is________________?
A. Parabolic
B. Circular
C. Rectangular
D. New egged - The most efficient cross section of sewers in a separate sewerage system is__________________?
A. Parabolic
B. Circular
C. Rectangular
D. New egged - For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed________________?
A. 1.5
B. 2.0
C. 2.5
D. 3.0 - Cement concrete sewers are only suitable if non-scouring velocity is between_________________?
A. 2.5 to 3.0 m/sec
B. 3.0 to 4.0 m/sec
C. 3.5 to 4.5 m/sec
D. 4.5 to 5.5 m/sec - Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is__________________?
A. pt = 3H3p/2 Z5
B. pt = 2H3p/3 Z5
C. pt = 3H3p/2Z5
D. pt = 2 3p/3Z5 - 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 - In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient,______________?
A. Is only provided
B. Is doubled
C. Is trebled
D. Is not enough - In sewers the velocity of flow should not be_________________?
A. More than the self-cleansing velocity
B. Less than the self-cleansing velocity
C. Less than 10 m/sec
D. More than 20 m/sec - Dry water flow in a combined sewer, is______________________?
A. Industrial sewage
B. Domestic sewage
C. Storm water
D. Inclusive of domestic and industrial sewage but excludes storm water - In olden days the type of section adopted in trunk and out fall sewers was__________________?
A. Parabolic shaped
B. Horse shoe shaped
C. Egg shaped
D. Circular shaped
