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
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
A. useful storage
B. dead storage
C. valley storage
D. surcharge storage
A. capacity/inflow ratio
B. capacity/outflow ratio
C. outflow/inflow ratio
D. none of the above
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
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
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
A. at the toe
B. at the heel
C. within the middle third of base
D. at centre of base
A. 0.5 hw
B. 0.75 hw
C. 1.25 hw
D. 1.50 hw
where hw is height of wave