A. hydrodynamic pressure
B. inertia force into the body of the dam
C. both (A) and (B)
D. none of the above
Related Mcqs:
- Hydrodynamic pressure due to earthquake acts at a height of_________________?
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 - 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 - The maximum average depth due to one day storm over an area of 100 km2 is 100 mm. Depth-Area-Duration (DAD. curves indicate that for the same area of 100 km2 the maximum average depth for a 3 hour storm will be__________________?
A. 100 mm
B. more than 100 mm
C. less than 100 mm
D. none of the above - 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 - In case of non-availability of space due to topography, the most suitable spillway is________________?
A. straight drop spillway
B. shaft spillway
C. chute spillway
D. ogee spillway - 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) - If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be_____________________?
A. 15 minutes
B. 20 minutes
C. 30 minutes
D. 60 minutes - The meander pattern of a river is developed by_________________?
A. average discharge
B. dominant discharge
C. maximum discharge
D. critical discharge