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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.

Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or ______________ times the column diameter, whichever is lower?

A 2.5-3.0

B 5-7.5

C 10-12.5

D 15-20

Review Detailed Answer

Correct Answer: 2.5-3.0

Accidents in chemical plants are mostly due to___________________?

A Inadequate equipment design

B Faulty operating procedures

C Improper layout of the equipments

D Failure of equipments

Review Detailed Answer

Correct Answer: Faulty operating procedures

The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area ‘A’ is given by (where, P = perimeter of the channel in contact with the fluid) ?

A 4 A/P

B A/P

C 4 P/A

D √A

Review Detailed Answer

Correct Answer: 4 A/P

The buckling tendency of compression members is always in the direction of the _____________________?

A Least radius of gyration

B Axis of the load

C Perpendicular to the axis of the load

D None of these

Review Detailed Answer

Correct Answer: Least radius of gyration

____________ is the determining factor for the number of bubble caps to be used per tray?

A Permissible slot velocity

B Tray diameter

C Liquid load

D Vapor load

Review Detailed Answer

Correct Answer: Permissible slot velocity

Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger ?

A 75% cut segmental baffle

B 25% cut segmental baffle

C Orifice baffle

D Disk and doughnut baffle

Review Detailed Answer

Correct Answer: 25% cut segmental baffle

The clearance between two tubes in a shell and tube heat exchanger is known as ‘ligament’, whose minimum value is _____________ the outside diameter of the tube, but in no case it should be less than 4.5 mm?

A Equal to

B Half

C One fourth

D Three fourth

Review Detailed Answer

Correct Answer: One fourth

A binary liquid Azeotropic mixture has boiling point lower 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: Positive

In a _____________ riveted joint, the number of rivets decreases from the innermost row to the outermost row?

A Chain

B Diamond

C Zig-zag

D None of these

Review Detailed Answer

Correct Answer: Diamond

The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always ?

A 1

B < 1

C > 1

D Equal to the order of reaction

Review Detailed Answer

Correct Answer: 1

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or ______________ times the column diameter, whichever is lower?

Accidents in chemical plants are mostly due to___________________?

The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area ‘A’ is given by (where, P = perimeter of the channel in contact with the fluid) ?

The buckling tendency of compression members is always in the direction of the _____________________?

____________ is the determining factor for the number of bubble caps to be used per tray?

Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger ?

The clearance between two tubes in a shell and tube heat exchanger is known as ‘ligament’, whose minimum value is _____________ the outside diameter of the tube, but in no case it should be less than 4.5 mm?

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

In a _____________ riveted joint, the number of rivets decreases from the innermost row to the outermost row?

The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always ?