MCQs

Chemical Engineering MCQs with Explanations

Read every question, see the correct answer, and understand the explanation at your own pace. Study mode has no timer and no negative marking.

18%

1,500 of 8,342MCQs reviewed

Study Mode — explanations are always visiblePrefer a timed quiz? Start test

1501Chemical EngineeringMedium

The thickness of condensate layer in filmwise condensation depends on the________?

ACondensation rate

BLiquid flow rate from the surface

CSurface configuration

DAll A., B. and C.

Correct answer

D. All A., B. and C.

Explanation

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

1502Chemical EngineeringMedium

The ratio of pressure forces to inertial forces is called the ________ number?

AReynold

BMach

CEuler

DFroude

Correct answer

C. Euler

Explanation

The correct answer is Euler.

1503Chemical EngineeringMedium

Fermentation of molasses to produce ethyl alcohol is done at ________ °C?

A20 – 30

B100 – 150

C250 – 300

D< – 5

Correct answer

A. 20 – 30

Explanation

The correct answer is 20 – 30.

1504Chemical EngineeringMedium

A material is capable of resisting softening at high temperature, because of its property termed as________?

AHot temper

BHot hardness

CCreep

DFatigue

Correct answer

B. Hot hardness

Explanation

The correct answer is Hot hardness.

1505Chemical EngineeringMedium

At a constant speed of the centrifugal pump, it‟s ________ the impeller diameter?

AAll A., B. and C.

BCapacity varies directly with

CHorsepower varies as the cube of

DHead varies as the square of

Correct answer

A. All A., B. and C.

Explanation

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

1506Chemical EngineeringMedium

Calorific value of furnace oil is about ________ Kcal/kg?

A5,000

B10,000

C15,000

D20,000

Correct answer

B. 10,000

Explanation

The correct answer is 10,000.

1507Chemical EngineeringMedium

CaH4(PO4)2 is the chemical formula of ________?

ASuperphosphate

BMeta phosphoric acid

CTriple superphosphate

DCalcium phosphate

Correct answer

C. Triple superphosphate

Explanation

The correct answer is Triple superphosphate.

1508Chemical EngineeringMedium

For an ideal gas, the chemical potential is given by________?

AR d ln f

BRT d ln P

CR d ln P

DNone of these

Correct answer

B. RT d ln P

Explanation

The correct answer is RT d ln P.

1509Chemical EngineeringMedium

If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be________?

A2N

B4N

CN/2

Correct answer

A. 2N

Explanation

The correct answer is 2N.

1510Chemical EngineeringMedium

________ liquor is best handled in a long tube vertical evaporator?

AViscous

BScaling

CSalting

DFoamy

Correct answer

D. Foamy

Explanation

The correct answer is Foamy.

1501Chemical EngineeringMedium

The thickness of condensate layer in filmwise condensation depends on the________?

ACondensation rate

BLiquid flow rate from the surface

CSurface configuration

DAll A., B. and C.

Correct answer

D. All A., B. and C.

Explanation

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

1502Chemical EngineeringMedium

The ratio of pressure forces to inertial forces is called the ________ number?

AReynold

BMach

CEuler

DFroude

Correct answer

C. Euler

Explanation

The correct answer is Euler.

1503Chemical EngineeringMedium

Fermentation of molasses to produce ethyl alcohol is done at ________ °C?

A20 – 30

B100 – 150

C250 – 300

D< – 5

Correct answer

A. 20 – 30

Explanation

The correct answer is 20 – 30.

1504Chemical EngineeringMedium

A material is capable of resisting softening at high temperature, because of its property termed as________?

AHot temper

BHot hardness

CCreep

DFatigue

Correct answer

B. Hot hardness

Explanation

The correct answer is Hot hardness.

1505Chemical EngineeringMedium

At a constant speed of the centrifugal pump, it‟s ________ the impeller diameter?

AAll A., B. and C.

BCapacity varies directly with

CHorsepower varies as the cube of

DHead varies as the square of

Correct answer

A. All A., B. and C.

Explanation

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

1506Chemical EngineeringMedium

Calorific value of furnace oil is about ________ Kcal/kg?

A5,000

B10,000

C15,000

D20,000

Correct answer

B. 10,000

Explanation

The correct answer is 10,000.

1507Chemical EngineeringMedium

CaH4(PO4)2 is the chemical formula of ________?

ASuperphosphate

BMeta phosphoric acid

CTriple superphosphate

DCalcium phosphate

Correct answer

C. Triple superphosphate

Explanation

The correct answer is Triple superphosphate.

1508Chemical EngineeringMedium

For an ideal gas, the chemical potential is given by________?

AR d ln f

BRT d ln P

CR d ln P

DNone of these

Correct answer

B. RT d ln P

Explanation

The correct answer is RT d ln P.

1509Chemical EngineeringMedium

If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be________?

A2N

B4N

CN/2

Correct answer

A. 2N

Explanation

The correct answer is 2N.

1510Chemical EngineeringMedium

________ liquor is best handled in a long tube vertical evaporator?

AViscous

BScaling

CSalting

DFoamy

Correct answer

D. Foamy

Explanation

The correct answer is Foamy.