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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 case of a continuous distillation column, increase in reflux ratio may result in the______________?

A Lower fixed charges for the column

B Greater cost for the reboiler heat supply

C Greater cost for the condenser coolant

D All A., B. and C.

Review Detailed Answer

Correct Answer: All A., B. and C.

A pressure vessel is said to be made of ‘thick’ shell, if the ratio of its diameter to wall thickness is_______________?

A < 10

B > 10

C > 20

D < 20

Review Detailed Answer

Correct Answer: > 10

In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by________________?

A 4(0.86P2 – πd2/4)/πd

B (P2 – πd2/4)/πd

C 4(0.86P2 – πd2)/πd

D (4P2 + πd2/4)/πd

Review Detailed Answer

Correct Answer: 4(0.86P2 – πd2/4)/πd

Speed of industrial paddle agitator ranges from _____________ rpm?

A 1 to 5

B 20 to 100

C 500 to 750

D 1000 to 2000

Review Detailed Answer

Correct Answer: 20 to 100

_____________ dished head is the strongest of all?

A Hemispherical

B Elliptical

C Torispherical

D None of these

Review Detailed Answer

Correct Answer: Hemispherical

In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for______________?

A Reducing scale deposition

B Increasing pressure drop

C Fixing the tubes

D Creating turbulence

Review Detailed Answer

Correct Answer: Creating turbulence

The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally _____________ the tube wall thickness?

A Equal to

B Twice

C Four times

D Half

Review Detailed Answer

Correct Answer: Twice

LMTD correction factor is used in heat exchanger design for____________________?

A Double pipe heat exchanger

B Multipass shell and tube heat exchanger

C Fouling fluids

D Counter flow of hot and cold fluids

Review Detailed Answer

Correct Answer: Counter flow of hot and cold fluids

A binary liquid Azeotropic mixture has boiling point higher than either of the components, when it shows ______________ deviation from Raoult’s Law?

A Positive

B Negative

C No

D None of these

Review Detailed Answer

Correct Answer: Negative

Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate ?

A Triangular pitch

B Square pitch

C Diagonal square pitch

D Heat transfer rate is independent of tube arrangement

Review Detailed Answer

Correct Answer: Triangular pitch

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

In case of a continuous distillation column, increase in reflux ratio may result in the______________?

A pressure vessel is said to be made of ‘thick’ shell, if the ratio of its diameter to wall thickness is_______________?

In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by________________?

Speed of industrial paddle agitator ranges from _____________ rpm?

_____________ dished head is the strongest of all?

In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for______________?

The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally _____________ the tube wall thickness?

LMTD correction factor is used in heat exchanger design for____________________?

A binary liquid Azeotropic mixture has boiling point higher than either of the components, when it shows ______________ deviation from Raoult’s Law?

Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate ?