A waste weir is a structure which serves the purpose of

safe passage of water flowing into a tank when it is full.

Khosla's theory of dependent variables is used in the design of

Cross regulators and head regulators

Explore topic-wise MCQs in Irrigation Engineering.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.	Consider the following measuring structures.A. Submerged broad-crested weirB. Free broad-crested weirC. Free sharp-crested weirD. Free ogee spillwayWhich is the correct sequence of the discharge coefficient of these structures in increasing order?
A.	B, A, C, D
B.	B, A, D, C
C.	A, B, D, C
D.	A, B, C, D
Answer» E.

Discussion

2.	Khosla’s safe exit gradient for design of weirs will be the lowest for which of following soil types
A.	Coarse sand
B.	Gravels
C.	Fine sand
D.	Shingles
Answer» D. Shingles

Discussion

3.	A waste weir is a structure which serves the purpose of
A.	preventing wastage of water
B.	safe passage of water flowing into a tank when it is full.
C.	allowing water into the canal.
D.	All of the above
Answer» C. allowing water into the canal.

Discussion

4.	An overflow dam is also known as a ______.
A.	Rockfill dam
B.	Spillway
C.	Reservoir
D.	Gravity dam
Answer» C. Reservoir

Discussion

5.	If crest length is equal to the width of the channel then it is called:
A.	Deformed weir
B.	Suppressed weir
C.	Balanced weir
D.	Non-suppressed weir
Answer» C. Balanced weir

Discussion

6.	Discharge over an ogee weir remains the same as that of:
A.	Drowned weir
B.	Triangular weir
C.	Sharp crested weir
D.	Cipoletti weir
Answer» E.

Discussion

7.	A barrage on a major river in the Gangetic plains has been designed for a flood discharge 7000 m3/s. It has been provided with a waterway of 360 m length. The looseness factor of this barrage is
A.	1.7
B.	1.1
C.	0.7
D.	0.9
Answer» E.

Discussion

8.	A check dam is a:
A.	Flood control structure
B.	Soil conservation structure
C.	River training structure
D.	Water storage structure
Answer» E.

Discussion

9.	Khosla's theory of dependent variables is used in the design of
A.	Weirs and barrages
B.	Cross regulators and head regulators
C.	Modules
D.	Both (I) and (II) above
E.	All (I), (l) and (III) above
Answer» E. All (I), (l) and (III) above

Discussion

10.	According to the Khosla theory, the exit gradient in the absence of downstream cut-off is
A.	zero
B.	unity
C.	infinity
D.	very large
Answer» D. very large

Discussion

11.	At a certain point in the floor of weir, the uplift pressure head due to seepage is 4.5 m. If the relative density of concrete is 2.5, the minimum thickness of floor required at this point to counteract the uplift pressure is:
A.	1 m
B.	2 m
C.	3 m
D.	4 m
Answer» D. 4 m

Discussion

Explore topic-wise MCQs in Irrigation Engineering.

Consider the following measuring structures.A. Submerged broad-crested weirB. Free broad-crested weirC. Free sharp-crested weirD. Free ogee spillwayWhich is the correct sequence of the discharge coefficient of these structures in increasing order?

Khosla’s safe exit gradient for design of weirs will be the lowest for which of following soil types

A waste weir is a structure which serves the purpose of

An overflow dam is also known as a ______.

If crest length is equal to the width of the channel then it is called:

Discharge over an ogee weir remains the same as that of:

A barrage on a major river in the Gangetic plains has been designed for a flood discharge 7000 m3/s. It has been provided with a waterway of 360 m length. The looseness factor of this barrage is

A check dam is a:

Khosla's theory of dependent variables is used in the design of

According to the Khosla theory, the exit gradient in the absence of downstream cut-off is

At a certain point in the floor of weir, the uplift pressure head due to seepage is 4.5 m. If the relative density of concrete is 2.5, the minimum thickness of floor required at this point to counteract the uplift pressure is: