Test: Lining of Irrigation Canals


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7 Questions MCQ Test GATE Civil Engineering (CE) 2023 Mock Test Series | Test: Lining of Irrigation Canals

Test: Lining of Irrigation Canals for Civil Engineering (CE) 2022 is part of GATE Civil Engineering (CE) 2023 Mock Test Series preparation. The Test: Lining of Irrigation Canals questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Lining of Irrigation Canals MCQs are made for Civil Engineering (CE) 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Lining of Irrigation Canals below.
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Test: Lining of Irrigation Canals - Question 1

A lined alluvial canal is best designed on the basis of

Test: Lining of Irrigation Canals - Question 2

Lining of irrigation channels

Detailed Solution for Test: Lining of Irrigation Canals - Question 2

A lined canal can be designed smaller in cross- section and also in length. The steeper gradients can be provided because higher velocities are permissible. It can, therefore, help to bring high areas under command.

Test: Lining of Irrigation Canals - Question 3

Safety ladders are provided in large irrigation canals, to

Detailed Solution for Test: Lining of Irrigation Canals - Question 3

In large canals, safety ladders are generally provided on side slopes, at suitable intervals along the canal length. These ladders can be used by persons or cattle, that may be swept away with the flowing water in the canal. Such a person, who may otherwise get drowned, may catch hold of one such ladder and can climb it to get out of the canal easily.

Test: Lining of Irrigation Canals - Question 4

The main advantage offered by Bentonite layer lining in an irrigation canal is that:

Test: Lining of Irrigation Canals - Question 5

Under-drainage arrangements in canals are- necessarily required in

Test: Lining of Irrigation Canals - Question 6

In the alignment of an - irrigation channel wherefrom offtakes have to be provided at regular intervals, changes in the given channel parameters are made use of. The correct sequence of the decreasing order of preference of these parameters is

Detailed Solution for Test: Lining of Irrigation Canals - Question 6

The best alignment of off-taking channel is that in which the off-taking channel makes zero angle with the parent channel initially and then separates out in transition. The depth of water should always be such that off take channel runs full. The transitions should be properly designed, so as to avoid accumulation of silt. The transition can also be used as metering flume. Thus depth, slope and width will be the correct order of preference of parameters.

Test: Lining of Irrigation Canals - Question 7

Theoretically the best cross section for a lined canal is

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