Irrigation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Irrigation, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Irrigation MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Irrigation mcq questions that explore various aspects of Irrigation problems. Each MCQ is crafted to challenge your understanding of Irrigation principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Irrigation MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Irrigation. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Irrigation knowledge to the test? Let's get started with our carefully curated MCQs!

Irrigation MCQs | Page 2 of 15

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Q11.
If H and d are the water depth and drop in the bed level at a Sarda fall, the width B of the trapezoidal crest, is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q12.
If D1 and D2 are depths of water upstream and down stream of a hydraulic jump, the loss of head at the jump, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q13.
If Dc is the critical depth, D is the depth of water down stream and HL is the total head loss at the cistern of a vertical fall, the depth x of the cistern below the bed level down stream suggested by Blench, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q14.
Pick up the correct statement from the following

a.

In a level crossing, a crest with its top at the canal F.S.L. is provided across the drainage at its up-stream junction with canal

b.

In a level crossing a regulator is provided across the drainage at its down-stream

c.

In a level crossing, a cross regulator is provided on the canal below the crossing

d.

All the above.

Discuss
Answer: (d).All the above.
Q15.
For the design of major hydraulic structures on the canals, the method generally preferred to, is based on

a.

Bligh's theory

b.

Electrical analogy method

c.

The relaxation method

d.

Khosla's method of independent variables.

Discuss
Answer: (d).Khosla's method of independent variables.
Q16.
For designing the venturi head,

a.

width of the throat should not be less than one-third of the bed width of main canal

b.

width of the throat should not be less than the width obtained from the formula B = Q / 1.2d^3/2, where d is the difference in levels of F.S.L. and sill

c.

minimum throat width should not be less than 60 cm

d.

all the above.

Discuss
Answer: (d).all the above.
Q17.
The sinuosity of a meander is the ratio of

a.

meander length and the width of meander

b.

meander length and half width of the river

c.

curved length and the straight distance

d.

none of these.

Discuss
Answer: (c).curved length and the straight distance
Q18.
The top soil of a water logged field becomes more alkaline and infertile if its pH value is

a.

6

b.

8

c.

9

d.

11

Discuss
Answer: (d).11
Q19.
The difference in level between the top of a bank and supply level in a canal, is called

a.

berm

b.

free board

c.

height of bank

d.

none of these.

Discuss
Answer: (b).free board
Q20.
F.S.L. of a canal at its head with respect to parent channel is kept

a.

at the same level

b.

15 cm lower

c.

15 cm higher

d.

none of these.

Discuss
Answer: (b).15 cm lower
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