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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.

Degrees of freedom at triple point will be______________?

A 0

B 1

C 2

D 3

Review Detailed Answer

Correct Answer: 0

For an irreversible process involving only pressure-volume work____________________?

A (dF)T, p <0

B (dF)T, p = 0

C (dF)T, p > 0

D (dA)T, v >0

Review Detailed Answer

Correct Answer: (dF)T, p <0

Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance) ?

A Air cycle

B Carnot cycle

C Ordinary vapour compression cycle

D Vapour compression with a reversible expansion engine

Review Detailed Answer

Correct Answer: Air cycle

With increase in temperature, the atomic heat capacities of all solid elements_________________?

A Increases

B Decreases

C Remains unchanged

D Decreases linearly

Review Detailed Answer

Correct Answer: Increases

The total change in the enthalpy of a system is independent of the _______________________?

A Number of intermediate chemical reactions involved

B Pressure and temperature

C State of combination and aggregation in the beginning and at the end of the reaction

D None of these

Review Detailed Answer

Correct Answer: Number of intermediate chemical reactions involved

Which of the following behaves most closely like an ideal gas ?

A He

B N2

C O2

D H2

Review Detailed Answer

Correct Answer: He

For a multi-component system, the term chemical potential is equivalent to the ___________________?

A Molal concentration difference

B Molar free energy

C Partial molar free energy

D Molar free energy change

Review Detailed Answer

Correct Answer: Partial molar free energy

A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect ?

A Vapor compression cycle using expansion valve

B Air refrigeration cycle

C Vapor compression cycle using expansion engine

D Carnot refrigeration cycle

Review Detailed Answer

Correct Answer: Carnot refrigeration cycle

Fugacity co-efficient of a substance is the ratio of its fugacity to__________________?

A Mole fraction

B Activity

C Pressure

D Activity co-efficient

Review Detailed Answer

Correct Answer: Pressure

As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is_________________?

A Not changed

B Decreasing

C Increasing

D Data sufficient, can’t be predicted

Review Detailed Answer

Correct Answer: Decreasing

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Degrees of freedom at triple point will be______________?

For an irreversible process involving only pressure-volume work____________________?

Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance) ?

With increase in temperature, the atomic heat capacities of all solid elements_________________?

The total change in the enthalpy of a system is independent of the _______________________?

Which of the following behaves most closely like an ideal gas ?

For a multi-component system, the term chemical potential is equivalent to the ___________________?

A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect ?

Fugacity co-efficient of a substance is the ratio of its fugacity to__________________?

As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is_________________?