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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.

Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter)?

A 0.2 D

B 0.5 D

C 0.66 D

D 0.80 D

Review Detailed Answer

Correct Answer: 0.2 D

Tube expansion allowances exist in _____________ heat exchanger?

A Multipass fixed tube sheet

B U-tube

C Single pass fixed tube sheet

D None of these

Review Detailed Answer

Correct Answer: U-tube

Multiple effect evaporation accounts for___________________?

A Steam economy

B Lower operating costs

C Investment economy

D None of these

Review Detailed Answer

Correct Answer: Steam economy

A black body does not ____________ radiation?

A Absorb or emit

B Refract

C Reflect

D Both B. & C.

Review Detailed Answer

Correct Answer: Both B. & C.

An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a_________________?

A Boiler

B Heat exchanger

C Recuperator

D Regenerator

Review Detailed Answer

Correct Answer: Heat exchanger

Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is__________________?

A 0.4

B 0.5

C 0.6

D 0.7

Review Detailed Answer

Correct Answer: 0.7

Sensible heat absorbed by 1 lb of water when it is heated from 32 to 212°F may be around ______________ BTU?

A 180

B 970

C 3.97

D Data insufficient, can’t be predicted

Review Detailed Answer

Correct Answer: 180

Stefan’s block body radiation law can also be derived from ______________ law?

A Kirchoff’s

B Planck’s

C Fourier’s

D None of these

Review Detailed Answer

Correct Answer: Planck’s

What is the geometric mean of two heat transfer areas A1 and A2 ?

A √(A1 . A2)

B √(A1 + A2)

C ½ √(A1 . A2)

D 2 √(A1 . A2)

Review Detailed Answer

Correct Answer: √(A1 . A2)

The ratio of velocity head to tube side return loss in case of a multipass shell and tube heat exchanger is ________________?

A 2

B 1/2

C 4

D 1/4

Review Detailed Answer

Correct Answer: 4

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter)?

Tube expansion allowances exist in _____________ heat exchanger?

Multiple effect evaporation accounts for___________________?

A black body does not ____________ radiation?

An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a_________________?

Sensible heat absorbed by 1 lb of water when it is heated from 32 to 212°F may be around ______________ BTU?

Stefan’s block body radiation law can also be derived from ______________ law?

What is the geometric mean of two heat transfer areas A1 and A2 ?

The ratio of velocity head to tube side return loss in case of a multipass shell and tube heat exchanger is ________________?