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.Management Sciences
Category: Water Management
Water logging is the state of the soil where the water table brought ______________capacity or root zone of plants?
A. Far from
B. Within
C. Below
D. Near
An escape constructed with masonry or pitched with stones to dispose off surplus of tank or reservoir is called________________?
A. Bye-wash
B. paved-escape
C. Water escape
D. Disposal channel
When high flood passing down weir creating high up lift pressures and there is no flow in the canals, if such condition is taken for design and is called__________________?
A. High flood level
B. Dangerous condition
C. Hydraulic design condition
D. Worst condition
The discharge over a rectangular notch is determined by _____________________?
A. 2/3 cd. b (2 gh) 1/2
B. 2/3 cd. B (2g) 1/2 H
C. 2/3 cd. B (2g) 1/2 H3/2
D. 2/3 cd. b (2g) 1/2 H 5/2
The law that states that the discharge of sub-soil water is directly proportional to the loss of head and the area of soil sample and inversely proportional to to the length of soil sample ___________________?
A. Archimed’s principle
B. Darcy’s law
C. Permeability law
D. Thiem’s law
A fluid is a substance that ____________________?
A. Always expands until it fills any container
B. Is partially incompressible
C. Can not remain at rest under the action of any shear force
D. Can not be subjected to shear force
A fixed reference point from which the discharge of flowing water is measured is________________?
A. Reduce level
B. Bench mark
C. Contour point
D. Reference point
According to Chezy’s formula, the discharge through an open channel is equal to _________________?
A. C (mi) 1/2
B. A (cmi)1/2
C. Ac√R.S
D. A (c.A/pi) 1/2
The contour of equal water heads and pressure in the soil mass beneath retaining structure are called___________________?
A. Stream lines
B. Equipotential lines
C. Equilibrium lines
D. Streak lines
A dam which is prevented from overturning by the action of lateral or vertical up thrust of water by its weight is called __________________?
A. Gravity dam
B. Arch dam
C. Buttress dam
D. Coffer dam
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