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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 characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are_______________?

A Re.Gz

B Nu, Pr

C Nu, Pr, Re

D Nu, Gz

Review Detailed Answer

Correct Answer: Nu, Gz

One kilogram of water at 0°C is changed to superheated steam of one atm pressure and 300° C. The major heat consumption in the process will be to________________?

A Heat the water from 0°C to 100°C

B Evaporate the water

C To superheat the steam

D Data insufficient, can’t be predicted

Review Detailed Answer

Correct Answer: Evaporate the water

A sphere of radius ‘R1’ is enclosed in a sphere of radius ‘R2’. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is ________________?

A 0

B R2/(R1+R2)

C 1

D (R1/R2)2

Review Detailed Answer

Correct Answer: R2/(R1+R2)

Solid angle subtended by the finite surface at the radiating element is_________________?

A Called the view factor

B Called the angle of vision

C Proportional to the square of the distance between surfaces

D Expressed in terms of radians

Review Detailed Answer

Correct Answer: Called the angle of vision

Corrosiveness of steam condensate is due to the presence of________________?

A CO2

B Dissolved O2

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are_______________?

One kilogram of water at 0°C is changed to superheated steam of one atm pressure and 300° C. The major heat consumption in the process will be to________________?

A sphere of radius ‘R1’ is enclosed in a sphere of radius ‘R2’. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is ________________?

Solid angle subtended by the finite surface at the radiating element is_________________?

Corrosiveness of steam condensate is due to the presence of________________?

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_________________?