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Test: Forces on Submerged Bodies


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10 Questions MCQ Test Fluid Mechanics for Mechanical Engineering | Test: Forces on Submerged Bodies

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

Drag is defined as the force exerted by a flowing fluid on a solid body

Test: Forces on Submerged Bodies - Question 2

Lift force is defined as the force exerted by a flowing fluid on a solid body

Test: Forces on Submerged Bodies - Question 3

A body is called a stream-line body when

Test: Forces on Submerged Bodies - Question 4

The optimum amount of stream-lining is that for which

Test: Forces on Submerged Bodies - Question 5

Pressure drag results from

Test: Forces on Submerged Bodies - Question 6

The boundary or profile drag is essentially made up of

Detailed Solution for Test: Forces on Submerged Bodies - Question 6

The total drag (sometimes called as profile drag) of a body is made up of two parts: Frictional drag and pressure drag (or from drag), depending on whether the shear stresses or pressure differences cause it.

Test: Forces on Submerged Bodies - Question 7

In calculating the drag force using CD the area used is

Detailed Solution for Test: Forces on Submerged Bodies - Question 7

Planform area is the area of body as seen from above. This area is used for thin, flat surfaces where frictional forces are predominant as for example: flat plate, flow, airplane wings and hydrofoils.

Test: Forces on Submerged Bodies - Question 8

Stake’s law is valid up to a maximum Reynolds number of

Test: Forces on Submerged Bodies - Question 9

A very thin sphere is settling down in a viscous liquid at a Reynolds number of 0.2. Its drag coefficient is

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Test: Forces on Submerged Bodies - Question 10

The Karman vortex trail' occurs

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