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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.

A batch reactor is suitable for__________________?

A Achieving cent percent conversion of reactants into products

B Large scale gaseous phase reactions

C Liquid phase reactions

D Obtaining uniform polymerisation products in highly exothermic reactions

Review Detailed Answer

Correct Answer: Liquid phase reactions

A backmix reactor_________________?

A Is same as plug-flow reactor

B Is same as ideal stirred tank reactor

C Employs mixing in axial direction only

D Is most suitable for gas phase reaction

Review Detailed Answer

Correct Answer: Is same as ideal stirred tank reactor

For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the ______________ adsorption?

A Physical

B Chemical

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Chemical

In the reversible reaction of the type, A + B ⇌ AB, in general__________________?

A Both forward and backward reactions will be exothermic

B Neither of the reactions will be endothermic

C The combination reaction will be exothermic, while the dissociation reaction will be

D The combination reaction will be endothermic, while the dissociation reaction will be

Review Detailed Answer

Correct Answer: The combination reaction will be exothermic, while the dissociation reaction will be

In case of physical adsorption, the heat of adsorption is of the order of _____________ kcal/kg mole?

A 100

B 1000

C 10000

D 100000

Review Detailed Answer

Correct Answer: 100

Which of the following is a controlling factor in very fast heterogeneous reaction ?

A Heat and mass transfer effects

B Pressure

C Temperature

D Composition of reactant

Review Detailed Answer

Correct Answer: Heat and mass transfer effects

For a zero order chemical reaction, the__________________?

A Half life period is directly proportion to the initial concentration of the reactants

B Plot of products concentration with time is a straight line through the origin

C Products concentration increases linearly with time

D All A., B. and C.

Review Detailed Answer

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

An imbalanced chemical reaction equation is against the law of________________?

A Multiple proportion

B Conservation of mass

C Constant proportion

D None of these

Review Detailed Answer

Correct Answer: Conservation of mass

______________ is the response curve for a step input signal from a reactor ?

A S-curve

B C-curve

C I-curve

D None of these

Review Detailed Answer

Correct Answer: C-curve

‘N’ plug flow reactors in series with a total volume ‘V’ gives the same conversion as a single plug flow reactor of volume ‘V’ for _______________ order reactions?

A First

B Second

C Third

D Any

Review Detailed Answer

Correct Answer: Any

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

A batch reactor is suitable for__________________?

A backmix reactor_________________?

For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the ______________ adsorption?

In the reversible reaction of the type, A + B ⇌ AB, in general__________________?

In case of physical adsorption, the heat of adsorption is of the order of _____________ kcal/kg mole?

Which of the following is a controlling factor in very fast heterogeneous reaction ?

For a zero order chemical reaction, the__________________?

An imbalanced chemical reaction equation is against the law of________________?

______________ is the response curve for a step input signal from a reactor ?

‘N’ plug flow reactors in series with a total volume ‘V’ gives the same conversion as a single plug flow reactor of volume ‘V’ for _______________ order reactions?