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.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Rivers and Dam Reservoirs. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Rivers and Dam Reservoirs MCQs | Page 13 of 19

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Discuss
Answer: (d).Mass outflow v/s time
Discuss
Answer: (d).Streamflow v/s Percent of time the flow is equaled or exceeded
Q123.
A steep slope of the flow duration curve indicates a stream with _________________
Discuss
Answer: (a).highly variable discharge
Q124.
The lowest portion of the capacity-elevation curve of a proposed irrigation reservoir draining 20 km² of catchment is represented by the following data:

i. The rate of silting for the catchment = 300 m³ / km² / year
ii. Life of the reservoir = 50 years
iii. Dead storage = 30
iv. The FSD of the canal at the head = 80 cm
v. The crop water requirement = 250 ha.m
vi. Dependable yield of the catchment = 0.29 m

Calculate the gross capacity of the reservoir.
Discuss
Answer: (b).317.5 ha.m
Q125.
As the height of a proposed dam is increased, the cost per unit of storage initially increases and then decreases.
Discuss
Answer: (b).False
Q126.
The economical height of a dam is that height for which the ____________________
Discuss
Answer: (a).cost per unit of storage is minimum
Q127.
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 ____________
Discuss
Answer: (a).60 years
Q128.
According to the Central Water Commission, the average annual evaporation loss is estimated to be _____________
Discuss
Answer: (c).225 cm
Q129.
Windbreakers, Integrated operation of reservoirs and Use of underground storage are all methods of ______________________
Discuss
Answer: (a).evaporation control
Q130.
Which of the following is not used as WERs?
Discuss
Answer: (d).Cyclohexanol