The viscous force the relative motion between the adjacent layers of a fluid in motion. Which of the following flowing fits best in the sentence?

Mechanical Engineering : Hydraulics and Fluid Mechanics - Quiz(MCQ)

opposes

facilitates

never affects

may effect under certain conditions

Correct Answer : Option (A) : opposes

Explanation : Viscosity is the internal friction of a fluid in motion. It is the property by the virtue of which the relative motion between two adjacent fluid layers is opposed.

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Free surface of a liquid tends to contract to the smallest possible area due to force of

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Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?

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None of the above

Correct Answer : Francis turbine

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Specific gravity

Specific weight

Specific density

Correct Answer : Specific gravity

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