Test: Dam Arid Reservoirs

bed level of the reservoir and minimum reservoir level

bed level of the reservoir and the silt level in the reservoir

bed level of the reservoir and the normal pool level

None of the above

increases the computed reservoir capacity

decreases the computed reservoir capacity

sometimes increases and sometimes decreases the computed reservoir capacity

has no effect on computed reservoir capacity

higher than its firm or safe yield

lower than its firm or safe yield

equal to its firm or safe yield

higher or lower than the firm yield, depending upon the designer’s intuition.

increases

decreases

remains unaffected

may increase or decrease, depending upon the reservoir characteristics

Total annual seiment inflow/Reservoir capacity

Total sediment deposited in a given period/Total sediment inflow in that period

Total annual seiment deposited in the reservoir/Dead storage capacity of the reservoir

None of the above

Reservoir capacity/Average annual flood in flow

Reservoir capacity/Average annual sediment in flow

Dead  storage capacity of the reservoir/Average annual sediment deposited

None of the above

increases

decreases

remains unchanged

may increase or decrease depending on the reservoir characteristics

is a constant factor overtime

increases with time

decreases with time

may increase or decrease with time

increases

decreases

initially increases and then decreases

initially decreases and then increases

cost per unit of storage is minimum

benefit cost ratio is maximum and net benefits are maximum

net benefits are maximum

None of the above