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Fluid Mechanics MCQs

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Practice free Fluid Mechanics multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 815 questions — no login required.

Question 10hard

The terminal velocity of a small sphere settling in a viscous fluid varies as the

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Question 11medium

Curve III in the above diagram represents a/an

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Question 12medium

A hydraulic ram acts as a/an __________ pump.

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Question 13medium

The capacity of an accumulator is the maximum

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Question 14hard

The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation

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Question 15hard

What is the value of Fanning friction factor f ' for smooth pipe at NRe = 106 approximately?

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Question 16hard

For an unstable equilibrium of a floating body (where, M = metacentre.)

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Question 17medium

Drag force acting on a body does not depend upon the

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Question 18hard

For an incompressible fluid, the bulk modulus of elasticity is

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