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.Management Sciences
Category: Irrigation, Water Resources Engineering and Hydrology
The net head under which the turbine reaches its peak efficiency at synchronous speed is called________________?
A. design head
B. rated head
C. gross head
D. operating head
Which of the following is a flexible outlet ?
A. submerged pipe outlet
B. Kennedy’s gauge outlet
C. Gibb’s outlet
D. none of the above
The “outlet discharge factor” is the duty at the head of_________________?
A. main canal
B. branch canal
C. watercourse
D. distributory
Horizontal acceleration due to earthquake results in______________?
A. hydrodynamic pressure
B. inertia force into the body of the dam
C. both (A) and (B)
D. none of the above
A land is known as waterlogged_________________?
A. when the permanent wilting point is reached
B. when gravity drainage has ceased
C. capillary fringe reaches the root zone of plants
D. none of the above
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 drainage water intercepting the canal can be disposed of by passing the canal below the drainage in___________________?
A. aqueduct and syphon aqueduct
B. aqueduct and super passage
C. super passage and canal syphon
D. level crossing
When surface of transpiration is submerged under water, then potential evapotranspiration is________________?
A. much more than evapotranspiration
B. much less than evapotranspiration
C. equal to evapotranspiration
D. equal to or less than evapotranspi-ration
For a proportional outlet, the flexibility is______________?
A. zero
B. between zero and 1
C. 1
D. greater than 1
Seepage through foundation in an earthen dam is controlled by providing___________________?
A. rock toe
B. horizontal blanket
C. impervious cut off
D. chimney drain
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