Canal Irrigation Systems Questions and Answers

Q: Following are the different structures in an irrigation system. Arrange them in proper sequence.a. Canals and canal structuresb. Cross drainage worksc. Main reservoird. Diversion head workse. Canal outletsChoose the correct answer from the options given below:

The correct sequence is c-d-a-b-e.Water in a canal irrigation system flows from source to field in this order:Main reservoir, which stores the river's water (c).Diversion head works, a weir or barrage that diverts water into the canal (d).Canals and canal structures such as falls and regulators, which carry and control the flow (a).Cross drainage works, aqueducts and siphons where the canal crosses natural drains (b).Canal outlets, which deliver water to the field channels of the farmers (e).Every other option breaks this order, for example by starting at the canals or ending at the reservoir.

Which of the following types of canal is classified based on the discharge and its relative importance in a given network of canals?

A.Irrigation canal
B.Navigation canal
C.Power canal
D.Main canal

Exam Year(s)

DSSSB JE - 2023,

Answer: D

The main canal is the type classified by discharge and relative importance in the network. The main canal takes water from the river or reservoir and carries the largest discharge; it feeds branch canals, which feed distributaries and minor canals. Irrigation, navigation and power canals are classified by the purpose they serve (supplying crops, carrying boats, or feeding a hydropower plant), not by size and rank within a network.

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Following are the different structures in an irrigation system. Arrange them in proper sequence.

a. Canals and canal structures
b. Cross drainage works
c. Main reservoir
d. Diversion head works
e. Canal outlets

Choose the correct answer from the options given below:

A.a-e-b-c-d
B.c-d-a-b-e
C.d-a-b-e-c
D.c-a-e-b-d

Exam Year(s)

RSMSSB JE - 2025, RSMSSB JE Agriculture - 2025, RSMSSB - 2025,

Answer: B

The correct sequence is c-d-a-b-e.

Water in a canal irrigation system flows from source to field in this order:

Main reservoir, which stores the river's water (c).
Diversion head works, a weir or barrage that diverts water into the canal (d).
Canals and canal structures such as falls and regulators, which carry and control the flow (a).
Cross drainage works, aqueducts and siphons where the canal crosses natural drains (b).
Canal outlets, which deliver water to the field channels of the farmers (e).

Every other option breaks this order, for example by starting at the canals or ending at the reservoir.

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Canal Irrigation Systems Questions and Answers

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