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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 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

The standard state of a gas (at a given temperature) is the state in which fugacity is equal to__________________?

A Unity

B Activity

C Both A. & B

D Neither A. nor B

Review Detailed Answer

Correct Answer: Both A. & B

The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is____________________?

A 100,000 kW

B 160,000 kW

C 200,000 kW

D 320,000 kW

Review Detailed Answer

Correct Answer: 320,000 kW

Joule-Thomson experiment is__________________?

A Isobaric

B Adiabatic

C Isenthalpic

D Both B. & C.

Review Detailed Answer

Correct Answer: Both B. & C.

Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be_________________?

A 0

B 1

C 2

D 3

Review Detailed Answer

Correct Answer: 3

Gibbs free energy of a pure fluid approaches _____________ as the pressure tends to zero at constant temperature?

A Infinity

B Minus infinity

C Zero

D None of these

Review Detailed Answer

Correct Answer: Minus infinity

Which is a state function ?

A Specific volume

B Work

C Pressure

D Temperature

Review Detailed Answer

Correct Answer: Work

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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_________________?

The standard state of a gas (at a given temperature) is the state in which fugacity is equal to__________________?

The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is____________________?

Joule-Thomson experiment is__________________?

Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be_________________?

Gibbs free energy of a pure fluid approaches _____________ as the pressure tends to zero at constant temperature?

Which is a state function ?