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Water Resources Engineering and Hydrology

The most suitable material for the central impervious core of a zoned embankment type dam is_______________?

The most suitable material for the central impervious core of a zoned embankment type dam is_______________?

A. clay
B. coarse sand
C. silty clay
D. clay mixed with fine sand

The most suitable material for the central impervious core of a zoned embankment type dam is_______________? Read More »

Irrigation, Water Resources Engineering and Hydrology

For wave action in dams, the maximum height of freeboard is generally taken to be equal to_______________?

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 hw
where hw is height of wave

For wave action in dams, the maximum height of freeboard is generally taken to be equal to_______________? Read More »

Irrigation, Water Resources Engineering and Hydrology

When the reservoir is full, the maximum compressive force in a gravity dam is produced______________?

When the reservoir is full, the maximum compressive force in a gravity dam is produced______________?

A. at the toe
B. at the heel
C. within the middle third of base
D. at centre of base

When the reservoir is full, the maximum compressive force in a gravity dam is produced______________? Read More »

Irrigation, Water Resources Engineering and Hydrology

Hydrodynamic pressure due to earthquake acts at a height of_________________?

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

Hydrodynamic pressure due to earthquake acts at a height of_________________? Read More »

Irrigation, Water Resources Engineering and Hydrology

The uplift pressure on the face of a drainage gallery in a dam is taken as_________________?

The uplift pressure on the face of a drainage gallery in a dam is taken as_________________?

A. hydrostatic pressure at toe
B. average of hydrostatic pressure at toe and heel
C. two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel
D. none of the above

The uplift pressure on the face of a drainage gallery in a dam is taken as_________________? Read More »

Irrigation, Water Resources Engineering and Hydrology

When the upstream face of a gravity dam is vertical, then the intensity of water pressure at the water surface and at the base respectively will be_______________?

When the upstream face of a gravity dam is vertical, then the intensity of water pressure at the water surface and at the base respectively will be_______________?

A. 0 and wH212
B. wH2/2and wH2/3
C. wH and 0
D. OandwII
where w is unit weight of water and H is the depth of water

When the upstream face of a gravity dam is vertical, then the intensity of water pressure at the water surface and at the base respectively will be_______________? Read More »

Irrigation, Water Resources Engineering and Hydrology