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Test: Dam Arid Reservoirs - Civil Engineering (CE) MCQ


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10 Questions MCQ Test GATE Civil Engineering (CE) 2025 Mock Test Series - Test: Dam Arid Reservoirs

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

The ‘dead storage’ in a dam reservoir, is the available volume for collection of silt and sediment, between

Test: Dam Arid Reservoirs - Question 2

‘Bank storage’ in a dam reservoir:

Detailed Solution for Test: Dam Arid Reservoirs - Question 2

When the reservoir is filled up, certain amount of water seeps into the permeable reservoir banks. This water comes out as seen as the reservoir gets depleted. This volume of water is known as bank storage. The bank storage efficiently increases the capacity of the reservoir.

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Test: Dam Arid Reservoirs - Question 3

Design yield of a storage reservoir is kept:

Test: Dam Arid Reservoirs - Question 4

With the reduction in reservoir capacity over the passage of time, the trap efficiency

Test: Dam Arid Reservoirs - Question 5

Trap efficiency of a storage reservoir is defined as

Detailed Solution for Test: Dam Arid Reservoirs - Question 5

Trap efficiency of a storage reservoir is the ratio of the total amount of sediment that is trapped or deposited in the reservoir to the total amount of sediment that enters the reservoir. It is a measure of the effectiveness of the reservoir in capturing sediment.

The correct definition of trap efficiency is: Total sediment deposited in a given period / Total sediment inflow in that period

Test: Dam Arid Reservoirs - Question 6

Capacity-inflow ratio for a storage reservoir is defined as

Detailed Solution for Test: Dam Arid Reservoirs - Question 6

Capacity-inflow ratio can be defined as the ratio of the reservoir capacity to the total inflow of water. The trap efficient is a function of the capacity-inflow ratio which is represented by a graph between them.

Test: Dam Arid Reservoirs - Question 7

With the increase in its capacity-inflow ratio, the trap efficiency of a reservoir:

Detailed Solution for Test: Dam Arid Reservoirs - Question 7

The trap efficiency of a reservoir is affected by its capacity-inflow ratio. This ratio is the storage capacity of the reservoir divided by the annual inflow volume. Generally, as the capacity-inflow ratio of a reservoir increases, the trap efficiency also increases. This is because a larger or deeper reservoir has more volume to trap sediments before they can be discharged.

Hence, the correct answer is: increases.

Test: Dam Arid Reservoirs - Question 8

The capacity-inflow ratio for a reservoir

Test: Dam Arid Reservoirs - Question 9

As the height of a proposed dam is increased, the cost per unit of storage

Test: Dam Arid Reservoirs - Question 10

“Economical height of a Dam” is that height, for which the 

Detailed Solution for Test: Dam Arid Reservoirs - Question 10

The economic height of a dam is that height of dam, corresponding to which, the cost of the dam per unit of storage is minimum.

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