Jobs By Abekus

Irrigation Questions Set 3:

Quiz Mode

What is the correct formula for the uniformity coefficient efficiency?

Nd = 1 + d/D

Nd = 1 + D/d

Nd = 1 - d/D

Nd = 1 - D/d

Solution:

Which of the following is not a cause of waterlogging?

Excessive irrigation

Improper drainage of surface runoff

Crop rotation

Flat ground profile

Solution:

The live storage requirement for a reservoir is determined by

Topographical survey

Annual demand

Double mass curve analysis

Mass curve analysis

Solution:

If the discharging capacity of the channel is less than 0.5 cumecs, what is the minimum recommended value for the curve radius?

100 m

150 m

300 m

600 m

Solution:

In a gravity dam with no tail water, the downstream slope is 0.707 horizontal to 1 vertical. If the principal stress is 5 MPa, find the shear stress at the toe.

0.061 MPa

0.054 MPa

0.032 MPa

0.028 MPa

Solution:

The ratio of water delivered to the field (w_f) to water supplied or diverted from the river (w_r), expressed as a percentage, is known as

Water application efficiency

Water conveyance efficiency

Water storage efficiency

Water use efficiency

Solution:

Which of the following is not a drawback of Kennedy's theory?

Bed slope equation is not provided

Based on trial and error

Silt charge and silt grade have not been properly defined

Limitations of Kutter's equation are incorporated in Kennedy's theory

Solution:

Addition of gypsum to the irrigation water is recommended to overcome difficulties posed by

Irrigation supplies containing heavy silt and sediment

Irrigation supplies containing high quantities of sodium

Highly saline irrigation supplies

None of the above

Solution:

Find the shear friction factor at the base of a gravity dam with the following data:

Horizontal force, ΣP_H = 8000 tonnes

Vertical force, ΣP_V = 10000 tonnes

Shear strength, q = 200 tonnes/m²

Base width = 100 m

Friction coefficient, μ = 0.8

2.5

3.5

4.5

5.5

Solution:

A barrage is constructed on a homogeneous pervious foundation. The difference in water level between the upstream and downstream sides is 5 m. The flow net for seepage flow through the foundation has eleven equipotential lines, including the upstream and downstream sections. The uplift pressure after the 7th equipotential line is:

35/11

10/11

Irrigation Questions Set 3:

What is the correct formula for the uniformity coefficient efficiency?

Solution:

Which of the following is not a cause of waterlogging?

Solution:

The live storage requirement for a reservoir is determined by

Solution:

If the discharging capacity of the channel is less than 0.5 cumecs, what is the minimum recommended value for the curve radius?

Solution:

In a gravity dam with no tail water, the downstream slope is 0.707 horizontal to 1 vertical. If the principal stress is 5 MPa, find the shear stress at the toe.

Solution:

The ratio of water delivered to the field (w_f) to water supplied or diverted from the river (w_r), expressed as a percentage, is known as

Solution:

Which of the following is not a drawback of Kennedy's theory?

Solution:

Addition of gypsum to the irrigation water is recommended to overcome difficulties posed by

Solution:

Find the shear friction factor at the base of a gravity dam with the following data:

Horizontal force, ΣP_H = 8000 tonnes

Vertical force, ΣP_V = 10000 tonnes

Shear strength, q = 200 tonnes/m²

Base width = 100 m

Friction coefficient, μ = 0.8

Solution:

Solution:

Related Question Sets:

Related Topics:

Irrigation Questions Set 3:

What is the correct formula for the uniformity coefficient efficiency?

Solution:

Which of the following is not a cause of waterlogging?

Solution:

The live storage requirement for a reservoir is determined by

Solution:

If the discharging capacity of the channel is less than 0.5 cumecs, what is the minimum recommended value for the curve radius?

Solution:

In a gravity dam with no tail water, the downstream slope is 0.707 horizontal to 1 vertical. If the principal stress is 5 MPa, find the shear stress at the toe.

Solution:

The ratio of water delivered to the field (wf) to water supplied or diverted from the river (wr), expressed as a percentage, is known as

Solution:

Which of the following is not a drawback of Kennedy's theory?

Solution:

Addition of gypsum to the irrigation water is recommended to overcome difficulties posed by

Solution:

Find the shear friction factor at the base of a gravity dam with the following data: Horizontal force, ΣPH = 8000 tonnes Vertical force, ΣPV = 10000 tonnes Shear strength, q = 200 tonnes/m² Base width = 100 m Friction coefficient, μ = 0.8

Solution:

Solution:

Related Question Sets:

Related Topics:

The ratio of water delivered to the field (w_f) to water supplied or diverted from the river (w_r), expressed as a percentage, is known as

Find the shear friction factor at the base of a gravity dam with the following data:

Horizontal force, ΣP_H = 8000 tonnes

Vertical force, ΣP_V = 10000 tonnes

Shear strength, q = 200 tonnes/m²

Base width = 100 m

Friction coefficient, μ = 0.8