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.Management Sciences
Category: Water Management
if the depth of water in an open channel is greater than the critical depth, the flow is called________________?
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A. Critical depth
B. Non-critical flow
C. Sub-critical flow
D. Shooting flow
A channel is said lo be of most economical cross section, for a given cross-sectional area and bed slope when it __________________?
A. Gives max. Discharge
B. Has minimum wetted perimeter
C. Involves lesser excavation
D. All of these
Ground water moving down wards in the un-saturated ground above the water table is called___________________?
A. Hygroscopic water
B. Capillary water
C. Gravity water
D. All are correct
The lower limit of factor of safety against over turning in a gravity is _______________________?
A. 1.3
B. 1.4
C. 1.5
D. 1.6
The precipitation that occurs because of frontal disturbances during the movement of barometric low pressure is called ____________________?
A. Hurricane
B. Cyclonic
C. Orographic
D. Convective
Water available in root zone of plants, is about 50% of soil moisture content. which is always available to the plants is called________________?
A. Effective water
B. Soil-moisture content
C. Capillary water
D. All are correct
For strong Hydraulic jump containing maximum energy, the down stream glacis should be sloped at a slope of ______________ to dissipate max: energy?
A. 2:1 to 2.5:1
B. 2.5:1 to 3:1
C. 3:1 to 5:1
D. 5:1 to 6
The force with which the particles of same body are held together is called_______________?
A. Cohesion
B. Adhesion
C. Surface tension
D. All are correct
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