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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.

Knudsen diffusion is directly proportional to _____________________?

A T

B √T

C 1/√T

D T2

Review Detailed Answer

Correct Answer: T

Exposure of a photographic plate to produce a latent image is an example of _______________ reaction?

A Very slow

B Very fast

C Photochemical

D Both B. and C.

Review Detailed Answer

Correct Answer: Both B. and C.

In case of calcination of limestone, CaCO3 CaO + CO2, the addition of more of CaO will result in _______________ in the concentration of CO2?

A No change

B Increase

C Decrease

D Unpredictable from the data

Review Detailed Answer

Correct Answer: No change

The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CA n, then what is the value of n for this reaction ?

A 0

B 0.5

C 1

D 2

Review Detailed Answer

Correct Answer: 1

Arrhenius equation shows the variation of ___________________ with temperature?

A Reaction rate

B Rate constant

C Energy of activation

D Frequency factor

Review Detailed Answer

Correct Answer: Rate constant

The rate constant of a chemical reaction increases by increasing the______________________?

A Temperature

B Pressure

C Reactant’s concentration

D None of these

Review Detailed Answer

Correct Answer: Temperature

What is the dispersion number for a CSTR ?

A 0

B 1

C < 1

D ∞

Review Detailed Answer

Correct Answer: ∞

Catalyst is a substance, which ________________ chemical reaction?

A Increases the speed of a

B Decreases the speed of a

C Can either increase or decrease the speed of a

D Alters the value of equilibrium constant in a reversible

Review Detailed Answer

Correct Answer: Can either increase or decrease the speed of a

_____________ gas is normally employed in B.E.T. method of finding out the surface area of catalyst?

A N2

B H2

C CO2

D He

Review Detailed Answer

Correct Answer: N2

The equilibrium constant of a catalytic chemical reaction _______________ due to the presence of?

A Increases

B Decreases

C Remain unaffected

D Unpredictable from the data

Review Detailed Answer

Correct Answer: Remain unaffected

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Knudsen diffusion is directly proportional to _____________________?

Exposure of a photographic plate to produce a latent image is an example of _______________ reaction?

In case of calcination of limestone, CaCO3 CaO + CO2, the addition of more of CaO will result in _______________ in the concentration of CO2?

The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CA n, then what is the value of n for this reaction ?

Arrhenius equation shows the variation of ___________________ with temperature?

The rate constant of a chemical reaction increases by increasing the______________________?

What is the dispersion number for a CSTR ?

Catalyst is a substance, which ________________ chemical reaction?

_____________ gas is normally employed in B.E.T. method of finding out the surface area of catalyst?

The equilibrium constant of a catalytic chemical reaction _______________ due to the presence of?