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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.

The number of kg vaporised per kg of steam fed to the evaporator is defined as____________?

A Capacity

B Rate of evaporation

C Economy

D Rate of vaporisation

Review Detailed Answer

Correct Answer: Economy

Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the _____________ zone?

A Laminar

B Transition

C Both A & B

D Highly turbulent

Review Detailed Answer

Correct Answer: Highly turbulent

Which of the following is unimportant in forced convection ?

A Reynolds number

B Prandtl number

C Grashoff number

D None of these

Review Detailed Answer

Correct Answer: Grashoff number

For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus- Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of________________?

A 1

B 1.74

C 6.1

D 37

Review Detailed Answer

Correct Answer: 1

Baffles in the shell side of a shell and tube heat exchanger ?

A Increase the cross-section of the shell side liquid

B Force the liquid to flow parallel to the bank

C Increase the shell side heat transfer co-efficient

D Decrease the shell side heat transfer co-efficient

Review Detailed Answer

Correct Answer: Increase the shell side heat transfer co-efficient

____________ chart is known as transient heat conduction chart?

A Dirhing’s

B Heisler’s

C Mollier’s

D Cox

Review Detailed Answer

Correct Answer: Dirhing’s

Controlling heat transfer film co-efficient is the one, which offers ______________ resistance to heat transfer?

A No

B The least

C The largest

D Lower

Review Detailed Answer

Correct Answer: The largest

Which of the following is concerned with both heat and mass transfer ?

A Lewis relationship

B Nusselt number

C Kutateladze number

D Froude number

Review Detailed Answer

Correct Answer: Lewis relationship

Duhring‟s rule is important in solving problems on__________________?

A Distillation

B Crystallisation

C Evaporation

D Humidification

Review Detailed Answer

Correct Answer: Evaporation

Heat transfer by radiation between two bodies at T1 & T2 and in an ambient temperature of Ta°C depends on_____________?

A T1 – T2

B T1 – Ta

C T2 – Ta

D None of these

Review Detailed Answer

Correct Answer: None of these

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The number of kg vaporised per kg of steam fed to the evaporator is defined as____________?

Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the _____________ zone?

Which of the following is unimportant in forced convection ?

For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus- Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of________________?

Baffles in the shell side of a shell and tube heat exchanger ?

____________ chart is known as transient heat conduction chart?

Controlling heat transfer film co-efficient is the one, which offers ______________ resistance to heat transfer?

Which of the following is concerned with both heat and mass transfer ?

Duhring‟s rule is important in solving problems on__________________?

Heat transfer by radiation between two bodies at T1 & T2 and in an ambient temperature of Ta°C depends on_____________?