Test: Spillways - 2

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10 Questions MCQ Test GATE Civil Engineering (CE) 2023 Mock Test Series | Test: Spillways - 2

Test: Spillways - 2 for Civil Engineering (CE) 2022 is part of GATE Civil Engineering (CE) 2023 Mock Test Series preparation. The Test: Spillways - 2 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Spillways - 2 MCQs are made for Civil Engineering (CE) 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Spillways - 2 below.
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Test: Spillways - 2 - Question 1

The energy dissipation at the toe of a spillway is affected basically by the use of hydraulic jump, in

Test: Spillways - 2 - Question 2

An ogee spillway has a discharge coefficient of 0.720 at the design head Hd. If the actual head of flow over the spillway during a flood was 1.4 Hd, the coefficient of discharge of the spillway at this head would be

Test: Spillways - 2 - Question 3

The crest profile of an ungated ogee spillway, downstream of the apex under a design head Hd, can be expressed as (y/Hd) = K(x/Hd)n Where the coefficients K and n, for a vertical upstream spillway would, respectively, be 

Test: Spillways - 2 - Question 4

At the foot of a spillway, the jump rating curve is below the tailwater curve at low flows and above it at high flows. The suitable type of energy dissipator for this situation is

Test: Spillways - 2 - Question 5

In a ski-jump bucket, the lip angle is 30° and the actual velocity of the flow entering the bucket is 30 m/s. The vertical distance of throw of the jet above the lip, in m, is

Test: Spillways - 2 - Question 6

In a flip bucket (also known as ski-jump bucket) type energy disspator

Test: Spillways - 2 - Question 7

It is essential to know the air entrainment in flows coming down from very high spillway

Test: Spillways - 2 - Question 8

Currently, the most commonly used form of vertical lift gates on a spillway crest is

Test: Spillways - 2 - Question 9

The ideal condition for energy dissipation in the design of spillways is the one when the tail water rating curve

Test: Spillways - 2 - Question 10

A ski-jump bucket is generally used as an energy dissipator when the tail water

Detailed Solution for Test: Spillways - 2 - Question 10

The ski jump bucket type of an energy dissipator can be used for energy dissipation when the tail water depth is insufficient or low at all discharges. The ski jump bucket type of an energy dissipator requires sound and rocky river bed, because, a part of the energy dissipation takes place 'by impact, although some of the energy is dissipated in air by diffusion and aeration.

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