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Test: Boundary Layer Theory - 1


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10 Questions MCQ Test Fluid Mechanics | Test: Boundary Layer Theory - 1

Test: Boundary Layer Theory - 1 for Mechanical Engineering 2022 is part of Fluid Mechanics preparation. The Test: Boundary Layer Theory - 1 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Boundary Layer Theory - 1 MCQs are made for Mechanical Engineering 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Boundary Layer Theory - 1 below.
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Test: Boundary Layer Theory - 1 - Question 1

Who introduced the concept of the theory of boundary layer?

Test: Boundary Layer Theory - 1 - Question 2

A boundary layer

Test: Boundary Layer Theory - 1 - Question 3

Select the wrong statement pertaining to flow beyond the outer edge of boundary layer:

Test: Boundary Layer Theory - 1 - Question 4

 In a boundary layer developed along the flow, the pressure decreases along the downstream direction. The boundary layer thickness would

Test: Boundary Layer Theory - 1 - Question 5

The laminar sublayer is

Test: Boundary Layer Theory - 1 - Question 6

 In a hydrodynamically smooth surface the roughness magnitude ∈ and laminar sublayer thickness δ' are related as

Detailed Solution for Test: Boundary Layer Theory - 1 - Question 6

Test: Boundary Layer Theory - 1 - Question 7

The thickness of laminar sublayer δ' is given by

Detailed Solution for Test: Boundary Layer Theory - 1 - Question 7

The laminar sublayer is usually very thin and it! thickness δ' is found hv exneriments to be

Test: Boundary Layer Theory - 1 - Question 8

The separation of boundary layer takes place when the pressure gradient is

Detailed Solution for Test: Boundary Layer Theory - 1 - Question 8

In advance pressure gradient boundary layer flow the boundary layer may at some section leave the boundary. This is called as separation and downstream of the separation section turbulent eddies exist and this disturbed region is called as wake.

Test: Boundary Layer Theory - 1 - Question 9

 The boundary layer separates from the surface when

Detailed Solution for Test: Boundary Layer Theory - 1 - Question 9

dp/dx ≠ 0

Test: Boundary Layer Theory - 1 - Question 10

Some times and under conditions, the boundary layer will leave the surface and curl up into a vortex or whirl pool. This phenomenon is known as

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