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Test: Turbulent Flow - 1 - Mechanical Engineering MCQ


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10 Questions MCQ Test Fluid Mechanics for Mechanical Engineering - Test: Turbulent Flow - 1

Test: Turbulent Flow - 1 for Mechanical Engineering 2024 is part of Fluid Mechanics for Mechanical Engineering preparation. The Test: Turbulent Flow - 1 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Turbulent Flow - 1 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Turbulent Flow - 1 below.
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Test: Turbulent Flow - 1 - Question 1

The velocity profile for turbulent boundary layer is

Test: Turbulent Flow - 1 - Question 2

The thickness of turbulent boundary layer at a distance x from the leading edge over a flat plate varies as

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Test: Turbulent Flow - 1 - Question 3

The turbulent flow has

Test: Turbulent Flow - 1 - Question 4

Turbulence in flow implies

Test: Turbulent Flow - 1 - Question 5

The turbulent shear stress in the x-y plane is given by

Detailed Solution for Test: Turbulent Flow - 1 - Question 5

The turbulent shear stress in the x-y plane is characterized by the Reynolds stress, which is caused by the fluctuating velocities of the fluid in turbulent flow. This stress can be represented by the negative product of the fluid density and the correlation of the velocity fluctuations in the x and y directions. Therefore, the correct expression for turbulent shear stress in the x-y plane is given by:

Test: Turbulent Flow - 1 - Question 6

The intensity of turbulence refers to

Test: Turbulent Flow - 1 - Question 7

The Prandtl mixing length is

Detailed Solution for Test: Turbulent Flow - 1 - Question 7

For turbulent flow in circular pipes Prandtl assumed the mixing length / to be linear function of the distance y from the pipe wall i.e.,

Test: Turbulent Flow - 1 - Question 8

Shear stress in a turbulent flow is due to

Detailed Solution for Test: Turbulent Flow - 1 - Question 8

Test: Turbulent Flow - 1 - Question 9

Prandtl’s mixing length in turbulent flow signifies

Test: Turbulent Flow - 1 - Question 10

The turbulent intensity  in a turbulent pipe flow is maximum at

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