Rivers and Dam Reservoirs MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Rivers and Dam Reservoirs, 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 Rivers and Dam Reservoirs 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 Rivers and Dam Reservoirs mcq questions that explore various aspects of Rivers and Dam Reservoirs problems. Each MCQ is crafted to challenge your understanding of Rivers and Dam Reservoirs 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 Rivers and Dam Reservoirs MCQs are your pathway to success in mastering this essential Irrigation Engineering topic.

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Rivers and Dam Reservoirs MCQs | Page 19 of 19

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Q181.
The capacity of an irrigation tank is sometimes increased by installing a temporary stone wall over the top of the tank weir. This fixture is known as____________________

a.

saddle

b.

dam stone

c.

breast wall

d.

divide wall

Discuss
Answer: (b).dam stone
Q182.
The discharge through the sluice of a small irrigation tank is usually controlled by _______________

a.

dam stone

b.

plug

c.

special balanced valves

d.

shutters

Discuss
Answer: (b).plug
Q183.
What will the discharging capacity of a masonry waste weir of 55 m length and 1.5 m width provided in an earthen bund for passing a flood with 1.2 m water depth over its crest?

a.

120 cumecs

b.

254 cumecs

c.

59.4 cumecs

d.

65.8 cumecs

Discuss
Answer: (a).120 cumecs
Q184.
Which of the following is not used as WERs?

a.

Hexa decanol

b.

Octa decanol

c.

Docosanol

d.

Cyclohexanol

Discuss
Answer: (d).Cyclohexanol
Q185.
Which of the following dam is situated in the seismologically inactive zone in Peninsular India?

a.

Koyna dam

b.

Hirakud dam

c.

Tehri dam

d.

Idukki dam

Discuss
Answer: (a).Koyna dam
Q186.
Which of the following measure does not prevent or reduce the intensity of the earthquake?

a.

Filling the reservoir up to a limited safe level

b.

Draining out water from weaker adjoining rocks

c.

Active exploration of the dam site for the absence of inactive faults before selecting the same

d.

Increasing the pore pressure

Discuss
Answer: (d).Increasing the pore pressure
Q187.
Which of the following guideline is incorrect for the selection of a suitable site for a reservoir?

a.

The geological formation should be such that it entails minimum leakage

b.

The cost of the dam is a controlling factor

c.

Too much silt-laden tributaries should be avoided as far as possible

d.

The reservoir basin should have a shallow wide opening in the valley

Discuss
Answer: (d).The reservoir basin should have a shallow wide opening in the valley
Q188.
Pipe sluices are generally not adopted in tank bunds where the depth below F.T.L exceeds ____________

a.

1.5 m

b.

1 m

c.

2.5 m

d.

5 m

Discuss
Answer: (c).2.5 m
Q189.
Calculate peak discharge for a combined catchment of a tank forming a constituent unit of a group with the following given data –

Combined catchment = 26 sq. km
Intercepted catchment = 20 sq. km
Ryve’s coefficient for combined catchment = 9.0
Ryve’s coefficient intercepted = 1.8

a.

66 cumecs

b.

59 cumecs

c.

50 cumecs

d.

69 cumecs

Discuss
Answer: (a).66 cumecs
Q190.
What is the approximate value of Ryve’s coefficient for combined catchment having limited areas near hills?

a.

6.5

b.

8.5

c.

10.2

d.

Up to 40

Discuss
Answer: (c).10.2
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