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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  Topicwise Question Bank for Mechanical Engineering  >  Test: Flow in Open Channel - 2 - Mechanical Engineering MCQ

Test: Flow in Open Channel - 2 - Mechanical Engineering MCQ


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9 Questions MCQ Test Topicwise Question Bank for Mechanical Engineering - Test: Flow in Open Channel - 2

Test: Flow in Open Channel - 2 for Mechanical Engineering 2024 is part of Topicwise Question Bank for Mechanical Engineering preparation. The Test: Flow in Open Channel - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Flow in Open Channel - 2 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Flow in Open Channel - 2 below.
Solutions of Test: Flow in Open Channel - 2 questions in English are available as part of our Topicwise Question Bank for Mechanical Engineering for Mechanical Engineering & Test: Flow in Open Channel - 2 solutions in Hindi for Topicwise Question Bank for Mechanical Engineering course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Flow in Open Channel - 2 | 9 questions in 30 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Topicwise Question Bank for Mechanical Engineering for Mechanical Engineering Exam | Download free PDF with solutions
Test: Flow in Open Channel - 2 - Question 1
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The hydraulic jump results when

Test: Flow in Open Channel - 2 - Question 2
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The energy loss in a hydraulic jump is

Detailed Solution for Test: Flow in Open Channel - 2 - Question 2

Hydraulic jump is a case of rapidly varied flow. It occurs when a super-critical flow stream tries to reach its alternate depth in subcritica! mode. In the process it losses substantial energy and falls short of the alternate depth.

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Test: Flow in Open Channel - 2 - Question 3
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What is the velocity of flow of water through a rectangular channel of 6 m wide and 3 m deep, When it is running full. The channel is having bed slope as 1 in 2000.
[Take Chezy’s constant C = 55]

Detailed Solution for Test: Flow in Open Channel - 2 - Question 3

b = 6 m, d = 3 m
A = b x d = 18 m2,
P = b + 2d - 6 + 6 = 12 



[Tips: This type of question can be solved by guessing about square root i.e. 2.42 = 5.76,2.62 = 6.76, 2.82 = 7.84].

Test: Flow in Open Channel - 2 - Question 4
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How is the best hydraulic channel cross-section defined?
Test: Flow in Open Channel - 2 - Question 5
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A rectangular channel with be most economical when the flow depth to bottom width are in the ratio
Detailed Solution for Test: Flow in Open Channel - 2 - Question 5


For minimum wetted perimeter, 
d = b/2
∴ d/b = 1.2

Test: Flow in Open Channel - 2 - Question 6
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In open channel flow, a triangular section will be most economical when the vertex angle at the triangle base point is
Test: Flow in Open Channel - 2 - Question 7
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The discharge through a trapezoidal channel is maximum when the top width equals
Test: Flow in Open Channel - 2 - Question 8
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The best slope for the most economical trapezoidal section of an open channel is ..... to the horizontal.
Detailed Solution for Test: Flow in Open Channel - 2 - Question 8



for best side slope



or 
or 

or  

Test: Flow in Open Channel - 2 - Question 9
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Most efficient channel section is
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