Fluid Mechanics MCQ Questions & Answers

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Each section contains 100 MCQs on Fluid Mechanics .

A relief valve

A) Provides back pressure for a cylinder B) Unloads a pump C) Is a directional control valve D) None of these

Discuss

Answer & Solution

Answer: Option C

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

A streamline is

A) The line connecting the mid-points of flow cross-sections B) Defined for uniform flow only C) Drawn normal to the velocity vector at every point D) Always the path of a particle

Discuss

Answer & Solution

Answer: Option C

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

A tube is specified by its

A) Thickness only B) Outer diameter only C) Thickness & outer diameter both D) Inner diameter

Discuss

Answer & Solution

Answer: Option C

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

The specific speed of a pump is defined as the speed of a unit of such a size, that it

A) Delivers unit discharge at unit head B) Requires unit power for unit head C) Delivers unit discharge at unit power D) None of these

Discuss

Answer & Solution

Answer: Option A

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

Which of the following may be termed as a variable orifice flowmeter?

A) Rotameter B) Pitot tube C) V-notch D) All of the above

Discuss

Answer & Solution

Answer: Option A

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

A venturimeter measures the

A) Velocity head B) Pressure C) Point velocity D) None of these

Discuss

Answer & Solution

Answer: Option D

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

Potential function is applicable only for __________ flow.

A) Irrotational B) Turbulent C) Steady D) None of these

Discuss

Answer & Solution

Answer: Option A

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

A floating/submerged body is always stable, if its centre of gravity

A) Lies above its centre of buoyancy B) And centre of buoyancy coincide C) Lies below its centre of buoyancy D) Lies above its meta centre

Discuss

Answer & Solution

Answer: Option C

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

The fluid property which matters for falling rain drops to acquire spherical shape is its

A) Pressure B) Height of descend C) Viscosity D) Surface tension

Discuss

Answer & Solution

Answer: Option D

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

Pump used for the transportation of molten sodium in a fast breader reactor is a/an __________ pump.

A) Reciprocating B) Plunger C) Electromagnetic D) Gear

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