Irrigation Engineering MCQ Questions & Answers

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Each section contains 100 MCQs on Irrigation Engineering .

If H and d are the water depth and drop in the bed level at a Sarda fall, the width B of the trapezoidal crest, is given by

A) $${\text{B}} = 0.22\sqrt {{\text{H}} + {\text{d}}} $$ B) $${\text{B}} = 0.33\sqrt {{\text{H}} + {\text{d}}} $$ C) $${\text{B}} = 0.44\sqrt {{\text{H}} + {\text{d}}} $$ D) $${\text{B}} = 0.55\sqrt {{\text{H}} + {\text{d}}} $$

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Lacey's equation for calculating flood discharge in rivers, is

A) $${\text{V}} = 10.8\,{{\text{R}}^{\frac{1}{2}}}{{\text{S}}^{\frac{1}{2}}}$$ B) $${\text{V}} = 10.8\,{{\text{R}}^{\frac{2}{3}}}{{\text{S}}^{\frac{1}{2}}}$$ C) $${\text{V}} = 10.8\,{{\text{R}}^{\frac{2}{3}}}{{\text{S}}^{\frac{1}{3}}}$$ D) $${\text{V}} = 10.8\,{{\text{R}}^{\frac{1}{3}}}{{\text{S}}^{\frac{2}{3}}}$$

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following types of falls use parabolic glacis for energy dissipation ?

A) vertical drop fall B) glacis fall C) Montague type fall D) inglis fall

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Answer & Solution

Answer: Option C

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Lining of irrigation channels

A) increases the waterlogging area B) decreases the waterlogging area C) does not change the water logging area D) none of the above

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Answer & Solution

Answer: Option B

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Canals taken off from ice-fed perennial rivers, are known

A) Permanent canals B) Ridge canals C) Perennial canals D) Inundation canals

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Answer & Solution

Answer: Option C

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The velocity of drainage water in the barrels of a syphon-aqueduct, is normally limited to

A) 1 to 2 m per second B) 2 to 3 m per second C) 3 to 4 m per second D) 4 to 5 m per second

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Answer & Solution

Answer: Option B

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Pick up the correct sequence of the part of a canal system from the following

A) Head work-distributary-branch canal-minor B) Head works-main canal-branch canal-distributary-minor C) Head works-main canal-branch canal-minor-distributary D) Heads works-branch canal-main canal distributary, minor

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Answer & Solution

Answer: Option B

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While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C₁, C₂ and C₃ where drainage bed levels C₁ > C₂ > C₃, you will provide at site C₃

A) An aqueduct B) A syphon aqueduct C) A super passage D) A syphon

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Answer & Solution

Answer: Option A

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The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after

A) 50 years B) 150 years C) 200 years D) 250 years

Discuss

Answer & Solution

Answer: Option A

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To hold hydraulic jumps, baffle walls are provided in

A) Sarda type falls B) English type falls C) Montague type falls D) Vertical type falls

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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Irrigation Engineering MCQ Questions & Answers | Civil Engineering