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March 2019

The wall of masonry or concrete, constructed at 90° to the axis of weir to separate normal weir from under sluices is called____________________?

Water Management /
The wall of masonry or concrete, constructed at 90° to the axis of weir to separate normal weir from under sluices is called____________________?

A. Divide wall
B. Retaining wall
C. Toe wall
D. All are correct

The wall of masonry or concrete, constructed at 90° to the axis of weir to separate normal weir from under sluices is called____________________? Read More »

Water Management

A fish ladder is device by which flow energy can be dissipated in such a manner as to provide easy access to the downstream fish to come on upstream side, the velocity of flow varies from___________________?

Water Management /
A fish ladder is device by which flow energy can be dissipated in such a manner as to provide easy access to the downstream fish to come on upstream side, the velocity of flow varies from___________________?

A. 2.0 – 2.5 – m/sec
B. 2.5 – 3 m/sec
C. 3.0 – 3.5 m/sec
D. 3.5 – 4.0 m/sec

A fish ladder is device by which flow energy can be dissipated in such a manner as to provide easy access to the downstream fish to come on upstream side, the velocity of flow varies from___________________? Read More »

Water Management

In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called_____________________?

Water Management /
In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called_____________________?

A. Retaining wall
B. Divide wall
C. Breast wall
D. Cantilever wall

In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called_____________________? Read More »

Water Management

The structures, which are constructed on the river bed upstream of head regulator. With this clear water enters in canal such structures are called______________________?

Water Management /
The structures, which are constructed on the river bed upstream of head regulator. With this clear water enters in canal such structures are called______________________?

A. Silt excluders
B. Silt ejectors
C. Vortex pipes
D. Silt control structures

The structures, which are constructed on the river bed upstream of head regulator. With this clear water enters in canal such structures are called______________________? Read More »

Water Management

The depth before the jump is always less then the depth after the jump. The depth before the jump is called initial depth and depth after the jump is called_______________?

Water Management /
The depth before the jump is always less then the depth after the jump. The depth before the jump is called initial depth and depth after the jump is called_______________?

A. Afflux
B. Final depth
C. Sequent depth
D. Down stream water depth

The depth before the jump is always less then the depth after the jump. The depth before the jump is called initial depth and depth after the jump is called_______________? Read More »

Water Management

At the end of hydraulic structure, the upward force of sub-soil water just becomes equal to the submerged weight of soil grains Then exit gradient will be called______________?

Water Management /
At the end of hydraulic structure, the upward force of sub-soil water just becomes equal to the submerged weight of soil grains Then exit gradient will be called______________?

A. Submerged exit gradient
B. Critical exit gradient
C. Balanced exit gradient
D. All are correct

At the end of hydraulic structure, the upward force of sub-soil water just becomes equal to the submerged weight of soil grains Then exit gradient will be called______________? Read More »

Water Management

For strong Hydraulic jump containing maximum energy, the down stream glacis should be sloped at a slope of ______________ to dissipate max: energy?

Water Management /
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

For strong Hydraulic jump containing maximum energy, the down stream glacis should be sloped at a slope of ______________ to dissipate max: energy? Read More »

Water Management