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Fluid Mechanics MCQ Questions And Answers

Fluid Mechanics MCQs : Here you will find MCQ Questions related to Fluid Mechanics. These 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

A fluid is a Tresca material with ___________ cohesion.

A. zero
B. positive
C. negative
D. All of the above

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Question 2

Ideal fluids are?

A. viscous
B. non-viscous
C. Both viscous and non-viscous
D. None of the above

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Question 3

The value of the surface tension of an ideal fluid is

A. 0
B. unity
C. infinity
D. more than that of a real fluid

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Question 4

If a person studies about a fluid which is at rest, what will you call his domain of study?

A. Fluid Mechanics
B. Fluid Statics
C. Fluid Kinematics
D. Fluid Dynamics

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Question 5

Which one of the following is the unit of mass density?

A. kg = m
B. kg = m^2
C. kg = m^3
D. kg = ms

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Question 6

The specific gravity of a liquid has

A. the same unit as that of mass density
B. the same unit as that of weight density
C. the same unit as that of specific volume
D. No Unit

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Question 7

A beaker is filled with a liquid up to the mark of one litre and weighed. The weight of the liquid is found to be 6.5 N. The specific weight of the liquid will be

A. 6:5 kN = m^3
B. 6:6 kN = m^3
C. 6:7 kN = m^3
D. 6:8 kN = m^3

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Question 8

For an incompressible fluid does density vary with temperature and pressure?

A. It varies for all temperature and pressure range
B. It remains constant
C. It varies only for lower values of temperature and pressure
D. It varies only for higher values of temperature and pressure

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Question 9

If there is bucket full of oil and bucket full of water and you are asked to lift them, which one of the two will require more effort given that volume of buckets remains same?

A. Oil bucket
B. Water bucket
C. Equal effort will be required to lift both of them
D. Can not say

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Question 10

Should Specific Wieght of incompressible fluid only be taken at STP?

A. Yes, as specific weight may show large variation with temperature and pressure
B. It should be taken at standard pressure but temperature may be any value
C. It should be taken at standard temperature but pressure may be any value
D. No, it can be taken for any temperature and pressure

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