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

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

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 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

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

Trap efficiency of a reservoir is a function of_______________?

A. Capacity/inflow ratio
B. Capacity/outflow ratio
C. Outflow/inflow ratio
D. None of the above

The water stored in the reservoir below the minimum pool level is called_______________?

A. Useful storage
B. Dead storage
C. Valley storage
D. Surcharge storage

A multipurpose reservoir is the one which is_________________?

A. Designed for one purpose but serves more than one purpose
B. Planned and constructed to serve various purposes
C. Both (a. and (b.
D. None of the above

An artesian aquifer is the one where______________?

A. Water surface under the ground is at atmospheric pressure
B. Water is under pressure between two impervious strata
C. Water table serves as upper surface of zone of saturation
D. None of the above

Dimensions of coefficient of transmissibility are______________?

A. M°l°t°
B. Rvfl’t”1
C. M° l2 t1
D. M’lv