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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.

For an ideal solution, the value of activity co-efficient is______________________?

A 0

B 1

C 1

Review Detailed Answer

Correct Answer: 1

Internal energy change of a system over one complete cycle in a cyclic process is__________________?

A Zero

B +ve

C -ve

D Dependent on the path

Review Detailed Answer

Correct Answer: Zero

Pick out the wrong statement ?

A Minimum number of degree of freedom of a system is zero

B Degree of freedom of a system containing a gaseous mixture of helium, carbon dioxide and

C For a two phase system in equilibrium made up of four non-reacting chemical species, the

D Enthalpy and internal energy change is zero during phase change processes like melting,

Review Detailed Answer

Correct Answer: Enthalpy and internal energy change is zero during phase change processes like melting,

In case of the decomposition of hydroiodic acid (2HI ⇌ H2 + I2), addition of H2 (at equilibrium condition) will__________________?

A Increase the partial pressure of I2

B Decrease the partial pressure of HI

C Diminish the degree of dissociation of HI

D None of these

Review Detailed Answer

Correct Answer: Diminish the degree of dissociation of HI

Heat pump_______________________?

A Accomplishes only space heating in winter

B Accomplishes only space cooling in summer

C Accomplishes both A. and B

D Works on Carnot cycle

Review Detailed Answer

Correct Answer: Accomplishes both A. and B

Second law of thermodynamics is concerned with the_________________?

A Amount of energy transferred

B Direction of energy transfer

C Irreversible processes only

D Non-cyclic processes only

Review Detailed Answer

Correct Answer: Direction of energy transfer

The equation Tds = dE – PdV applies to___________________?

A Single phase fluid of varying composition

B Single phase fluid of constant composition

C Open as well as closed systems

D Both B. and C

Review Detailed Answer

Correct Answer: Both B. and C

Which law of the thermodynamics provides basis for measuring the thermodynamic property ?

A First law

B Zeroth law

C Third law

D Second law

Review Detailed Answer

Correct Answer: Zeroth law

Throttling (Joule-Thomson effect) process is a constant _____________ process?

A Enthalpy

B Entropy

C Pressure

D None of these

Review Detailed Answer

Correct Answer: Enthalpy

Cp of a gas at its critical temperature and pressure_______________?

A Becomes zero

B Becomes infinity

C Equals 1 kcal/kmol °K

D Equals 0.24 kcal/kmol °K

Review Detailed Answer

Correct Answer: Becomes infinity

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

For an ideal solution, the value of activity co-efficient is______________________?

Internal energy change of a system over one complete cycle in a cyclic process is__________________?

Pick out the wrong statement ?

In case of the decomposition of hydroiodic acid (2HI ⇌ H2 + I2), addition of H2 (at equilibrium condition) will__________________?

Heat pump_______________________?

Second law of thermodynamics is concerned with the_________________?

The equation Tds = dE – PdV applies to___________________?

Which law of the thermodynamics provides basis for measuring the thermodynamic property ?

Throttling (Joule-Thomson effect) process is a constant _____________ process?

Cp of a gas at its critical temperature and pressure_______________?