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.Management Sciences
Category: Water Management
Sliding failure occurs in a solid gravity dam when____________________?
A. Resultant of all forces cuts the base of the dam out side the toe
B. Resultant of all forces cuts the base at the inner middle third point
C. Ratio of over turning moments exceeds than unity
D. Shear friction factor Is less than 1.5
When a weir is constructed, the downstream .bed of the river goes on eroding and consequently causes progressive lowering of the bed on downstream of weir called__________________?
A. Retrogression
B. Lowering down of bed
C. Ponding on down stream
D. All are correct
In ogee spillway the discharge is directly proportional to _______________________?
A. H1/2
B. H1/3
C. H3/2
D. H1/4
An aquifer in which water contained under high pressure as the’ aquifer is sand witched between two impervious layer is called___________________?
A. Un-confined aquifer
B. Confined aquifer
C. No-Artesian aquifer
D. All are correct
The falling drop of rainwater become spherical due to _________________?
A. Surface Tension
B. Compressibility
C. Capillary
D. None of these
The maximum rate at which the soil in given condition can absorb water is called ___________________?
A. Field Capacity
B. Capillarity
C. Infiltration capacity
D. All are correct
The meandering pattern of a river is developed by ____________________?
A. Average discharge
B. Dominant discharge
C. Maximum discharge
D. Critical discharge
A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?
A. Water wave
B. Water tide
C. Hydraulic jump
D. Afflux
Weep holes are provided in canal lining to _____________________?
A. improve strength of lining
B. Give additional anchorage against sliding
C. Provide water into branch canals
D. Have drainage facility
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