Fluid Mechanics MCQ Questions & Answers

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Each section contains 100 MCQs on Fluid Mechanics .

f = 16/N_Re, is valid for

A) Turbulent flow B) Laminar flow through an open channel C) Steady flow D) None of these

Discuss

Answer & Solution

Answer: Option D

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

A fluid is a substance, that

A) Has to be kept in a closed container B) Is almost incompressible C) Has zero shear stress D) Flows when even a small shear is applied to it

Discuss

Answer & Solution

Answer: Option D

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

A fluid is the one, which

A) Cannot remain at rest under the action of shear force B) Continuously expands till it fills any container C) Is incompressible D) Permanently resists distortion

Discuss

Answer & Solution

Answer: Option A

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

Slugging occurs in a fluidised bed, if the bed is

A) Narrow B) Deep C) Both A & B D) Neither A nor B

Discuss

Answer & Solution

Answer: Option C

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

A gas

A) Signifies absence of density B) Can resist shearing action C) Is incompressible D) Is a supercritical vapor

Discuss

Answer & Solution

Answer: Option D

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

A mixed flow centrifugal pump

A) Employs such an impeller, through which the flow is a combination of radial & axial flow B) Mixes the two fluids before pumping them C) Pumps the two fluids separately and then mixes them D) Employs impellers in both the radial & axial directions

Discuss

Answer & Solution

Answer: Option A

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

A Newtonion fluid is that

A) Which follows Newton B) Which needs a minimum shear, before it starts deforming C) For which shear & deformation are related as $$\tau = \mu \frac{{\partial {\text{u}}}}{{\partial {\text{y}}}}$$ D) None of these

Discuss

Answer & Solution

Answer: Option C

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

With increase in the schedule number of a pipe of a particular nominal size, the

A) Wall thickness also increases B) I.D. of the pipe decreases C) O.D. of the pipe remains constant D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

A perfect gas

A) Does not satisfy PV = nRT B) Is incompressible and has zero viscosity C) Has constant specific heat D) Can't develop shear stresses

Discuss

Answer & Solution

Answer: Option C

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

The schedule number of a pipe is an indication of its

A) Size B) Roughness C) Material density D) Wall thickness

Discuss

Answer & Solution

Answer: Option D

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

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Fluid Mechanics MCQ Questions & Answers | Chemical Engineering