Fluid Mechanics Test Questions

Q.  Dynamic viscosity of most of the liquids with rise in temperature__________________?

a. increases
b. decreases
c. remains unaffected
d. unpredictable
e. none of the above


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  An ideal flow of any fluid must satisfy __________________?
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MCQs:  Non uniform flow occurs when_________________?
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MCQs:  Uniform flow occurs when ___________________?
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MCQs:  Steady flow occurs when___________________?
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MCQs:  The flow in which each liquid particle has a definite path and their paths do not cross each other is called__________________?
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MCQs:  The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as________________?
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MCQs:  Flow occurring in a pipeline when a valve is being opened is________________?
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MCQs:  A streamline is defined as the line________________?
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MCQs:  The velocity of jet of water travelling out of opening in a tank filled with water is proportional to_________________?
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MCQs:  Pitot tube is used for measurement of_________________?
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MCQs:  The total energy of each particle at various places in the case of perfect incompres sible fluid flowing in continuous sream__________________?
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MCQs:  The equation of continuity holds good when the flow____________________?
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MCQs:  Froude number is significant in__________________?
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MCQs:  A large Roynold number is indication of________________?
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MCQs:  In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than_______________?
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MCQs:  For pipes, turbulent flow occurs when Reynolds number is _____________________?
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MCQs:  Cavitation is caused by_____________________?
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MCQs:  Principle of similitude forms the basis of_________________?
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MCQs:  A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to_________________?
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MCQs:  Cavitation will begin when__________________?
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