MCQs

Chemical Engineering MCQs with Explanations

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2471Chemical EngineeringMedium

A fluid is the one, which________?

ACannot remain at rest under the action of shear force

BContinuously expands till it fills any container

CPermanently resists distortion

DIs incompressible

Correct answer

A. Cannot remain at rest under the action of shear force

Explanation

The correct answer is Cannot remain at rest under the action of shear force.

2472Chemical EngineeringMedium

________ is never shipped in glass carboys?

APhenol

BAmmonia

CAcetic acid

DFormaldehyde

Correct answer

B. Ammonia

Explanation

The correct answer is Ammonia.

2473Chemical EngineeringMedium

The chemical potential of any constituent of an ideal solution depends on the ________ of the solution?

AComposition

BTemperature

CPressure

DAll (A), B. and (C)

Correct answer

D. All (A), B. and (C)

Explanation

The correct answer is All (A), B. and (C).

2474Chemical EngineeringMedium

One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is________?

A4988.4

B10373

C4364.9

D30554

Correct answer

B. 10373

Explanation

The correct answer is 10373.

2475Chemical EngineeringMedium

Slurry reactors are characterised by the________?

ANeither A. nor B.

BBoth A. and B.

CLack of intraparticle diffusion resistance

DPresence of two mobile phases

Correct answer

B. Both A. and B.

Explanation

The correct answer is Both A. and B..

2476Chemical EngineeringMedium

Polyvinyl chloride (PVC) is ________?

AA condensation polymerisation product

BNone of these

CMade by employing emulsion polymerisation

DA thermosetting material

Correct answer

C. Made by employing emulsion polymerisation

Explanation

The correct answer is Made by employing emulsion polymerisation.

2477Chemical EngineeringMedium

For the manometer set up shown in the figure, the pressure difference PA – PB is given by________?

A(ρH – ρair)gH

B(ρH – ρL) gH + (ρL – ρair). g(L – H)

C(ρH – ρL)gH

D(ρH – ρL) gL + (ρL – ρair)gH

Correct answer

A. (ρH – ρair)gH

Explanation

The correct answer is (ρH – ρair)gH.

2478Chemical EngineeringMedium

For the irreversible elementary reactions in parallel as shown in the bellow figure, the rate of disappearance of ‘X’ is equal to________?

ACA (K1 + K2)

BCA. K2/2

CCA (K1 + K2)/2

DCA. K1/2

Correct answer

A. CA (K1 + K2)

Explanation

The correct answer is CA (K1 + K2).

2479Chemical EngineeringMedium

Calcination of limestone is not done in a ________ kiln for producing lime?

AFixed bed

BRotary

CFluidised bed

DVertical shaft

Correct answer

A. Fixed bed

Explanation

The correct answer is Fixed bed.

2480Chemical EngineeringMedium

Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is ________?

ANot helpful in producing cleaner steel due to oxidising action of vanadium

BUsed for making axle & shafts of aeroplanes, automobiles and locomotives

CHaving poor fatigue resistance

DHaving poor toughness

Correct answer

B. Used for making axle & shafts of aeroplanes, automobiles and locomotives

Explanation

The correct answer is Used for making axle & shafts of aeroplanes, automobiles and locomotives.

A fluid is the one, which________?

ACannot remain at rest under the action of shear force

BContinuously expands till it fills any container

CPermanently resists distortion

DIs incompressible

Correct answer

A. Cannot remain at rest under the action of shear force

Explanation

The correct answer is Cannot remain at rest under the action of shear force.

Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is ________?

ANot helpful in producing cleaner steel due to oxidising action of vanadium

BUsed for making axle & shafts of aeroplanes, automobiles and locomotives

CHaving poor fatigue resistance

DHaving poor toughness

Correct answer

B. Used for making axle & shafts of aeroplanes, automobiles and locomotives

Explanation

The correct answer is Used for making axle & shafts of aeroplanes, automobiles and locomotives.