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Bouyancy and Manometer MCQ Questions - Fluid Mechanics

Bouyancy and Manometer MCQs : Here you will find MCQ Questions related to "Bouyancy and Manometer" in Fluid Mechanics. These Bouyancy and Manometer MCQ Questions Will help you to improve your Fluid Mechanics knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations




Question 1

What is the principal cause of action of buoyant force on a body submerged partially or fully in fluid?

A. Displacement of fluid due to submerged body
B. Development of force due to dynamic action
C. Internal shear forces mitigating external forces
D. None of the above

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Question 2

How can relatively denser object be made to float on the less dense fluid?

A. By altering the shape
B. By altering the forces acting on the object
C. By altering the shear forces acting on the object
D. None of the above

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Question 3

What happens to the buoyant force acting on the airship as it rises in the air?

A. Buoyant force increases
B. Buoyant force decreases
C. Buoyant force remains constant
D. Buoyant force first increases then shows decrease

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Question 4

As a balloon rises in the air its volume increases, at the end it acquires a stable height and cannot rise any further.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 5

A stone weighs 450 N in air and 200 N in water. Compute the volume of stone.

A. 0.30 m^3
B. 0.50 m^3
C. 0.75 m^3
D. 0.25 m^3

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Question 6

In a stationary fluid, how does the local pressure of the fluid vary?

A. In the horizontal direction only
B. With depth only
C. Both with depth and along horizontal direction
D. Neither with depth nor along horizontal direction

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Question 7

Which of the following cannot be the value of absolute pressure of a fluid at any point?

A. 0
B. 1
C. -1
D. infinity

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Question 8

A manometric liquid should suitably have _________

A. Low density & Low Vapour pressure
B. Low density & High Vapour pressure
C. High density & High Vapour pressure
D. High density & Low Vapour pressure

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Question 9

A simple U-tube manometer can measure negative gauge pressures.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 10

Absolute negative pressure is the reference used for the measurement of absolute pressure

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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