Fluid Mechanics MCQ Questions & Answers

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Each section contains 100 MCQs on Fluid Mechanics .

Which of the following assumptions enables the Euler's equation of motion to be integrated?

A) The fluid is incompressible B) The fluid is non-viscous C) The continuity equation is satisfied D) The flow is rotational and incompressible

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Flow measurement in an open channel is done by a/an

A) Venturimeter B) Orificemeter C) Weir D) Rotameter

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Foot valves provided in pumps are __________ valves.

A) Relief B) Three/four way C) Pressure reducing D) Directional control

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Theoretical head developed by a centrifugal pump does not depend upon the __________ the impeller.

A) Radius of B) Speed of C) Fluid velocity leaving D) None of these

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In case of a centrifugal pump, the theoretical head developed is dependent on the __________ the impeller.

A) Speed of B) Diameter of C) Fluid velocity leaving D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

N.second/m² is

A) The S.I. unit of dynamic viscosity B) The S.I. unit of kinematic viscosity C) Equivalent to one poise D) Equivalent to one stoke

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Discharge in laminar flow through a pipe varies

A) As the square of the radius B) Inversely as the pressure drop C) Inversely as the viscosity D) As the square of the diameter

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In the complete turbulence zone (in rough pipes), the

A) Rough and smooth pipes have the same friction factor B) Laminar film covers the roughness projections C) Friction factor depends upon N_Re only D) Friction factor is independent of the relative roughness

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What is the speed of sound (m/sec) in ordinary water?

A) 1500 B) 330 C) 1000 D) 3000

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The effect of solid boundary on the fluid flow is confined to the boundary layer, except for fluids

A) Having high viscosities B) Moving at low velocities C) Both A and B D) Neither A nor B

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Fluid Mechanics MCQ Questions & Answers | Chemical Engineering