A. 3H/47I above the base
B. 3H747t below the water surface
C. 4H/371 above the base
D. 4H737t below the water surface where H is the depth of water
Related Mcqs:
- Horizontal acceleration due to earthquake results in______________?
A. hydrodynamic pressure
B. inertia force into the body of the dam
C. both (A) and (B)
D. none of the above - The “outlet discharge factor” is the duty at the head of_________________?
A. main canal
B. branch canal
C. watercourse
D. distributory - The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of_________________?
A. same duration only
B. same and shorter duration
C. same and longer duration
D. any duration - For wave action in dams, the maximum height of freeboard is generally taken to be equal to_______________?
A. 0.5 hw
B. 0.75 hw
C. 1.25 hw
D. 1.50 hwwhere hw is height of wave
- Vertical drop fall is satisfactory for a height upto ___________?
A. 0.5 m
B. 1.5 m
C. 3.5 m
D. 5.0 m - The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by_______________?
A. direct runoff volume
B. period of storm
C. total rainfall
D. none of the above - The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is________________?
A. less than 1
B. equal to 1
C. greater than 1
D. equal to zero - A 6 hours storm had 4 cm of rainfall and the resulting runoff was 2 cm. If <j) index remains at the same value, the runoff due to 10 cm of rainfall in 12 hours in the catchment is___________________?
A. 4.5 cm
B. 6.0 cm
C. 7.5 cm
D. 9.0 cm - Cyclonic precipitation is caused by lifting of an air mass due to________________?
A. pressure difference
B. temperature difference
C. natural topographical barriers
D. all of the above - Interception losses are due to_______________?
1) evaporation
2) transpiration
3) stream flow
The correct answer is?A. only (1)
B. (1) and (2)
C. (1) and (3)
D. (1), (2) and (3)
