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.Management Sciences
Category: Water Management
Net irrigation + field irrigation losses are the requirement of _____________________?
A. Full irrigation
B. Field irrigation
C. Furrow irrigation
D. Basin irrigation
Bouyant force is equal to the ___________ of liquid displaced by the body in water mass?
A. Weight
B. Volume
C. Specific weight
D. Specific gravity
In case of silt deposition in the dam reservoir to dispose of the effectively ________________ be used?
A. Vortex pipes
B. Silt excluders
C. Silt ejectors
D. All are correct
when ever a sloping face of river bank is protected by stone pitching against scour, the pitching is extended beyond the toe to the river side that is called__________________?
A. Toe wall
B. Launching apron
C. Protective wall
D. Guide bank
The mercury in a glass tube assumes convex shape at the top because of_________________________?
A. Cohesion
B. Adhesion
C. Surface Tension
D. Viscosity
A hydraulic jump to dissipate energy when flow is __________________?
A. Critical flow
B. Shooting flow
C. Streaming flow
D. Turbulent flow
The law which states that the intensity of pressure at any point in a liquid at rest is same in all directions_________________?
A. Darcy’s law
B. Archimed’s law
C. Pascal’s law
D. None
Hydraulic structures are designed for a safe flow of flood. The floods which are equal in designed magnitude life of the project is called _____________________?
A. High floods
B. Ordinary floods
C. Low floods
D. Probable flood
A digging out of earth to make trench for any engineering purpose is called ______________________?
A. Excavation
B. Cavitations
C. borrow pitting
D. Earth filling
The centre of pressure of a plane submerged area which holds it in equilibrium is ____________________?
A. Always below the centre of gravity of the area
B. Coincident with centroid of area if its plane is vertical
C. Always above the centroid of the area
D. Independent of the inclination of area
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