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.

41%

3,460 of 8,342MCQs reviewed

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

3461Chemical EngineeringMedium

Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber’s process?

AHigh pressure, high reactants concentration, low temperature

BLow pressure, high reactants concentration, low temperature

CHigh pressure, low reactants concentration, high temperature

DHigh pressure, low reactants concentration, low temperature

Correct answer

A. High pressure, high reactants concentration, low temperature

Explanation

The correct answer is High pressure, high reactants concentration, low temperature.

3462Chemical EngineeringMedium

In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is________?

A0.60

D0.50

Correct answer

D. 0.50

Explanation

The correct answer is 0.50.

3463Chemical EngineeringMedium

Trommels separate a mixture of particles depending on their________?

ADensity

BWettability

CElectrical & magnetic properties

DSize

Correct answer

D. Size

Explanation

The correct answer is Size.

3464Chemical EngineeringMedium

________ is a homopolymer?

ANylon-66

BBakelite

CNeoprene

DTerylene

Correct answer

C. Neoprene

Explanation

The correct answer is Neoprene.

3465Chemical EngineeringMedium

The ratio of atomic radius to its nuclear radius is about________?

A1015

B108

C105

D1012

Correct answer

C. 105

Explanation

The correct answer is 105.

3466Chemical EngineeringMedium

The temperature at which new grains are formed in the metal is called the ________ temperature?

ARecrystallisation

BUpper critical

CLower critical

DEutectic

Correct answer

A. Recrystallisation

Explanation

The correct answer is Recrystallisation.

3467Chemical EngineeringMedium

Hydrocracking employs ________?

AHigh temperature and low pressure

BHigh pressure & temperature

CHigh pressure and low temperature

DLow pressure & temperature

Correct answer

B. High pressure & temperature

Explanation

The correct answer is High pressure & temperature.

3468Chemical EngineeringMedium

Hot extrusion process is not used for making________?

AAny of these

BCast iron pipe for domestic water supply

CStainless steel tubes used in furnitures

DAluminium curtain rods

Correct answer

B. Cast iron pipe for domestic water supply

Explanation

The correct answer is Cast iron pipe for domestic water supply.

3469Chemical EngineeringMedium

Specific heat of a gas for a reversible adiabatic process is________?

AInfinity

BNegative

CNone of these

DZero

Correct answer

D. Zero

Explanation

The correct answer is Zero.

3470Chemical EngineeringMedium

In case of non-ideal gases and liquids, the molal diffusivity ________?

AVaries inversely as the pressure

BIs equal to the volumetric diffusivity

CVaries directly as the pressure

DIs independent of pressure

Correct answer

D. Is independent of pressure

Explanation

The correct answer is Is independent of pressure.

Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber’s process?

AHigh pressure, high reactants concentration, low temperature

BLow pressure, high reactants concentration, low temperature

CHigh pressure, low reactants concentration, high temperature

DHigh pressure, low reactants concentration, low temperature

Correct answer

A. High pressure, high reactants concentration, low temperature

Explanation

The correct answer is High pressure, high reactants concentration, low temperature.