Irrigation Engineering MCQ Civil Engineering Questions Answers

Irrigation Engineering – Civil Engineering MCQ Questions Answers

Irrigation engineering plays a vital role in enhancing agricultural productivity, conserving water resources, and promoting sustainable development. As a sub-discipline of civil engineering, it encompasses various techniques and principles to efficiently distribute water for crop cultivation. Mastering the concepts of irrigation engineering is essential for civil engineers, agriculturalists, and water resource professionals. In this article, we delve into a collection of multiple-choice questions (MCQs) related to irrigation engineering, providing comprehensive answers to help you deepen your understanding of this critical field.


1) Irrigation frequency is a function of

a) crop only

b) soil, crop and climate

c) soil, crop, climate and fertilizer

d) soil and climate

View Answer
Option – b)

2) When electrical conductivity of irrigation water is up to ______ micro mhos/cm, it is called low

conductivity water

(a) 125

(b) 250

(c) 375

(d) 500

View Answer
Option – b)

3) Commonly adopted moisture tension, in atmosphere, of soil at permanent wilting point is

a) 15

b) 7

c) 45

d) 150

View Answer
Option – a)

4) To avoid formation of saline soil, water table should be kept at least ______ below root zone.

(a) 1 m

(b) 2 m

(c) 3 m

(d) 5 m

View Answer
Option – c)

5) The optimum depth of kor-watering for rice is about

a) 25 cm

b) 19 cm

c) 13.5 cm

d) 9 cm

View Answer
Option – b)

6) Normally difference between the crest level of the under-sluices and the crest level of the weir is

(a) 1 to 1.5 m

(b) 2 to 3.0 m

(c) 3 to 4.0 m

(d) more than 5 m

View Answer
Option – a)

7) Furrow method of irrigation is most suitable for

a) potatoes

b) rice

c) wheat

d) cotton

View Answer
Option – a)

8) Among the following, which crop has the highest value to delta?

(a) wheat

(b) vegetables

(c) rice

(d) cotton

View Answer
Option – c)

9) The canal which is not supposed to do any irrigation is called

a) main canal

b) water course

c) major distributary

d) minor distributary

View Answer
Option – a)

10) The infertility of the soil in waterlogged area is due to

(a) death of bacteria causing nutrification

(b) increase in salinity

(c) growth of weeds

(d) all of the above

View Answer
Option – d)