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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

In forced convection, the heat transfer depends on _______________?

A Re, Pr

B Re, Gr

C Mainly Gr

D Re only

Review Detailed Answer

Correct Answer: Re, Pr

Kg of liquid evaporated per hour in an evaporator is defined as its_________________?

A Capacity

B Economy

C Steam load

D None of these

Review Detailed Answer

Correct Answer: Capacity

In SI units, fouling factor is expressed in __________________?

A m2°K/W

B W/m2°K

C m2°K

D m°K/W

Review Detailed Answer

Correct Answer: m2°K/W

Radiation heat losses from satisfactorily insulated high pressure boiler may be about _____________ percent?

A 1

B 7

C 18

D 26

Review Detailed Answer

Correct Answer: 7

In the free convection regime of pool boiling, the heat flux is proportional to__________________?

A Δt1/2

B Δt2

C Δt5/4

D Δt

Review Detailed Answer

Correct Answer: Δt5/4

Prandtl number is the ratio of________________?

A Momentum diffusivity to mass diffusivity

B Momentum diffusivity to thermal diffusivity

C Thermal diffusivity to mass diffusivity

D Thermal diffusivity to momentum diffusivity

Review Detailed Answer

Correct Answer: Momentum diffusivity to thermal diffusivity

Prandtl number is given by__________________?

A CP μ/a

B hD/k

C CP μ/k

D μ/h CP

Review Detailed Answer

Correct Answer: CP μ/k

Trap is used to remove ________________ from steam pipe lines?

A Steam

B Condensate

C Non-condensable

D None of these

Review Detailed Answer

Correct Answer: Condensate

Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is ________________ law?

A Stefan’s

B Dalton’s

C Wien’s

D Kirchoff’s

Review Detailed Answer

Correct Answer: Wien’s

Economy of a multiple effect evaporator depends upon the _____________________?

A Heat balance consideration

B Rate of heat transfer

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Heat balance consideration

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

In forced convection, the heat transfer depends on _______________?

Kg of liquid evaporated per hour in an evaporator is defined as its_________________?

In SI units, fouling factor is expressed in __________________?

Radiation heat losses from satisfactorily insulated high pressure boiler may be about _____________ percent?

In the free convection regime of pool boiling, the heat flux is proportional to__________________?

Prandtl number is the ratio of________________?

Prandtl number is given by__________________?

Trap is used to remove ________________ from steam pipe lines?

Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is ________________ law?

Economy of a multiple effect evaporator depends upon the _____________________?