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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.

Normal screwed fittings are used for pipes upto a diameter of _______________ inches?

A 1.5

B 3

C 5

D 9

Review Detailed Answer

Correct Answer: 3

The ratio of lateral strain to linear strain is termed as the___________________?

A Poisson’s ratio

B Bulk modulus

C Modulus of elasticity

D Shear modulus

Review Detailed Answer

Correct Answer: Poisson’s ratio

What is the slope of the operating line in the rectifying section of a distillation column ?

A 0

B ∞

C > 1

D <1

Review Detailed Answer

Correct Answer: <1

Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscosity above ____________________ poise?

A 300

B 600

C 1000

D 1500

Review Detailed Answer

Correct Answer: 600

Which of the following efficiencies can be greater than 100% ?

A Overall plate efficiency

B Murphree plate efficiency

C Point efficiency

D None of these

Review Detailed Answer

Correct Answer: Murphree plate efficiency

Minimum tube pitch recommended for shell and tube heat exchangers is about _______________ times the outside diameter of the tube?

A 1.25

B 1.75

C 2.5

D 3.5

Review Detailed Answer

Correct Answer: 1.25

In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement ?

A Results in higher shell side pressure drop

B Can accomodate less number of tubes for a given shell diameter

C Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell

D Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer

Review Detailed Answer

Correct Answer: Results in higher shell side pressure drop

_____________ heat exchanger is also known as ‘hair pin type’ exchanger?

A Double pipe

B Finned

C Plate type

D Regenerative

Review Detailed Answer

Correct Answer: Double pipe

The average velocity in the tubes of a 1-4 heat exchanger is ______________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate ?

A 2

B 1/2

C 4

D 1/4

Review Detailed Answer

Correct Answer: 4

A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is________________?

A Bending

B Deformation

C Shear

D Elongation

Review Detailed Answer

Correct Answer: Bending

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Normal screwed fittings are used for pipes upto a diameter of _______________ inches?

The ratio of lateral strain to linear strain is termed as the___________________?

What is the slope of the operating line in the rectifying section of a distillation column ?

Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscosity above ____________________ poise?

Which of the following efficiencies can be greater than 100% ?

Minimum tube pitch recommended for shell and tube heat exchangers is about _______________ times the outside diameter of the tube?

In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement ?

_____________ heat exchanger is also known as ‘hair pin type’ exchanger?

The average velocity in the tubes of a 1-4 heat exchanger is ______________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate ?

A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is________________?