Canal Irrigation System and Canal Falls MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Canal Irrigation System and Canal Falls, a fundamental topic in the field of Irrigation Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Canal Irrigation System and Canal Falls 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 Canal Irrigation System and Canal Falls mcq questions that explore various aspects of Canal Irrigation System and Canal Falls problems. Each MCQ is crafted to challenge your understanding of Canal Irrigation System and Canal Falls principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Irrigation Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Canal Irrigation System and Canal Falls MCQs are your pathway to success in mastering this essential Irrigation Engineering topic.

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Canal Irrigation System and Canal Falls MCQs | Page 6 of 16

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Q51.
Which of the following characteristics is wrong about extensive irrigation?

a.

The irrigation extends to a large area with the lowest available supply

b.

Agricultural production and protection against famine will be at optimum levels

c.

The crop production will be minimal per unit of available water

d.

It creates a perpetual scarcity of water

Discuss
Answer: (c).The crop production will be minimal per unit of available water
Q52.
What are the categories of the entire water conveyance system?

a.

The primary distribution system and secondary distribution system

b.

The primary distribution system, the secondary distribution system, and Water allowance

c.

The primary distribution system, secondary distribution system, and tertiary distribution system

d.

The primary distribution system, secondary distribution system, tertiary distribution system, and Water allowance

Discuss
Answer: (c).The primary distribution system, secondary distribution system, and tertiary distribution system
Q53.
Which of the following statement is wrong?

a.

The primary and secondary distribution system is fully controlled by the State Irrigation Department

b.

The tertiary system is managed by farmers

c.

The distribution of water managed by farmers is done on a seven-day rotation basis

d.

Water allowance is not a compromise between the likely demand and the supply for a given project

Discuss
Answer: (d).Water allowance is not a compromise between the likely demand and the supply for a given project
Q54.
What is the correct formula for Flow Time in an hour for an individual farmer?

a.

(FT for the unit area) x (area of farmer’s fields) + (his bharai – his jharai)

b.

(FT for the unit area) x (area of farmer’s fields) – (his bharai – his jharai)

c.

FT for the unit area + (his bharai – his jharai)

d.

FT for the unit area – (his bharai – his jharai)

Discuss
Answer: (a).(FT for the unit area) x (area of farmer’s fields) + (his bharai – his jharai)
Q55.
What is the formula for the Flow Time for the unit area in hours?

a.

168 – (total Bharai – total Jharai) / Total area to be irrigated by the water-course

b.

168 + (total Bharai – total Jharai) / Total area to be irrigated by the water-course

c.

168 – (total Bharai – total Jharai)

d.

168 + (total Bharai – total Jharai)

Discuss
Answer: (a).168 – (total Bharai – total Jharai) / Total area to be irrigated by the water-course
Q56.
Kor demand of the crop should be taken into account while fixing the capacity of a canal.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q57.
What is the most important point to be considered while fixing the canal capacity?

a.

Keenest Demand

b.

Average Demand

c.

Water Demand

d.

Demand

Discuss
Answer: (a).Keenest Demand
Q58.
Let us consider in a given area the plantation of a certain crop takes 20 days, and the total water depth required by this crop is 80 cm on the field. Find the duty of irrigation water required for the crop during this period.

(a) Assuming 20% losses of water in the water courses, find duty at the head of the course.
(b) Find the duty of the water at the head of the distributary, assuming 10% losses from the distributary head.

a.

182.9 hectares/cumec, 194.4 hectares/cumec

b.

172.8 hectares/cumec, 185.4 hectares/cumec

c.

172.8 hectares/cumec, 194.4 hectares/cumec

d.

185.6 hectares/cumec, 184.6 hectares/cumec

Discuss
Answer: (c).172.8 hectares/cumec, 194.4 hectares/cumec
Q59.
A pump was installed in a field to supply water to the crops. The duty for this crop is 432 hectares/cumec on the field and the efficiency of pump is 50%. The sown area of the field is 5 hectares. Determine the maximum output required (H.P) of the pump, if the highest water level is 4 meters below the highest portion of the field. Assume negligible field channel losses.

a.

0.77 H.P

b.

0.85 H.P

c.

0.80 H.P

d.

0.31 H.P

Discuss
Answer: (d).0.31 H.P
Q60.
At a certain place, the transplantation of a crop takes 15 days, and the total depth of water required by the crop is 90 cm on the field. During the plantation rain falls and about 20 cm is utilised to fulfil the demand. Now determine the duty of irrigation water required during the plantation.

a.

185.14 hectares/cumec

b.

186.25 hectares/cumec

c.

187.45 hectares/cumec

d.

184.89 hectares/cumec

Discuss
Answer: (a).185.14 hectares/cumec
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