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Test: Sediment Transport & Design of Irrigation Channel - 1 - Civil Engineering (CE) MCQ


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10 Questions MCQ Test GATE Civil Engineering (CE) 2025 Mock Test Series - Test: Sediment Transport & Design of Irrigation Channel - 1

Test: Sediment Transport & Design of Irrigation Channel - 1 for Civil Engineering (CE) 2024 is part of GATE Civil Engineering (CE) 2025 Mock Test Series preparation. The Test: Sediment Transport & Design of Irrigation Channel - 1 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Sediment Transport & Design of Irrigation Channel - 1 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Sediment Transport & Design of Irrigation Channel - 1 below.
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Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 1

The bed of an alluvial channel along the flow will always be

Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 2

The minimum size of sediment that may remain stable in an alluvial channel, carrying discharge intensity q, with hydraulic radius R and bottom slope S, is

Detailed Solution for Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 2

For stability

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Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 3

The Garret’s diagrams are based on

Detailed Solution for Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 3

A lot of mathematical calculations are required in designing irrigation channels by the use of Kennedy’s method . To save mathematical calculations, graphical solution of Kennedy’s and Kutter’s equation, was evolved by Garret.

Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 4

The most important shape parameter in sediment analysis is

Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 5

The wetted perimeter P of a stable channel is proportional to where, Q is the discharge

Detailed Solution for Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 5

The wetted perimeter P of a channel is given by, 

P = 4.75√Q

Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 6

Lacey’s regime theory is not applicable to a channel in

Detailed Solution for Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 6

Lacey said that even a channel showing no silting no scouring may actually not be in regime. He differentiated between three regime conditions.
(i) True regime
(ii) Initial regime and
(iii) Final regime
According-to him, a channel which is under ‘initial’ regime is not a channel in regime, as there is no silting or scouring and hence regime theory is not applicable to such channels. His theory is therefore applicable only to; those channels, which are either in true regime or in final regime.

Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 7

Hydraulic depth is the ratio of

Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 8

For a most economical trapezoidal channel section

Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 9

Counter berms are provided in an irrigation canal

Detailed Solution for Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 9

If after providing sufficient section for bank embankment, the saturated gradient cuts the downstream end of the bank the saturation line is covered by atleast 0.5 metre with the help of counter berms at the outer side of the canal banks.

Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 10

Lacey assumed that the silt is kept in suspension because of normal components of eddies generated from

Detailed Solution for Test: Sediment Transport & Design of Irrigation Channel - 1 - Question 10

Lacey states that silt is kept in suspension due to force of vertical eddies. According to him, the eddies are generated from bed and sides, both normal to surface of generation. Hence vertical component of eddies generated from sides will also support the silt.

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