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.
If 20% of the reservoir capacity is earmarked for dead storage in a storage reservoir of 30 M.cum and the average annual silt deposition in the reservoir is 0.1 M cum, then the useful life of the reservoir will start reducing after ____________

a.

60 years

b.

120 years

c.

240 years

d.

300 years

Discuss
Answer: (a).60 years
Q182.
According to the Central Water Commission, the average annual evaporation loss is estimated to be _____________

a.

100 cm

b.

125 cm

c.

225 cm

d.

250 cm

Discuss
Answer: (c).225 cm
Q183.
Windbreakers, Integrated operation of reservoirs and Use of underground storage are all methods of ______________________

a.

evaporation control

b.

estimation of absorption losses

c.

estimation of absorption losses

d.

estimation of reservoir leakage

Discuss
Answer: (a).evaporation control
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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