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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.

One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one ________________?

A Hour

B Day

C Minute

D Second

Review Detailed Answer

Correct Answer: Day

The first law of thermodynamics is a statement of conservation of_____________________?

A Heat

B Momentum

C Energy

D Work

Review Detailed Answer

Correct Answer: Energy

4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is_________________?

A 4 J

B ∞

C 0

D 8 J

Review Detailed Answer

Correct Answer: 0

First law of thermodynamics deals with the ___________________?

A Direction of energy transfer

B Reversible processes only

C Irreversible processes only

D None of these

Review Detailed Answer

Correct Answer: Direction of energy transfer

Specific/molar Gibbs free energy for a pure substance does not change during________________?

A Sublimation

B Vaporisation

C Melting

D Either A, B. or C.

Review Detailed Answer

Correct Answer: Either A, B. or C.

The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is__________________?

A Less

B More

C Same

D Dependent on climatic conditions

Review Detailed Answer

Correct Answer: Less

The expression, nCv(T2 – T1), is for the _____________ of an ideal gas?

A Work done under adiabatic condition

B Co-efficient of thermal expansion

C Compressibility

D None of these

Review Detailed Answer

Correct Answer: Work done under adiabatic condition

For a spontaneous process, free energy__________________?

A Is zero

B Increases

C Decreases whereas the entropy increases

D And entropy both decrease

Review Detailed Answer

Correct Answer: Decreases whereas the entropy increases

Which of the following has the minimum value of COP for a given refrigeration effect ?

A Reverse Carnot cycle

B Ordinary vapour-compression cycle

C Vapour-compression process with a reversible expansion engine

D Air refrigeration cycle

Review Detailed Answer

Correct Answer: Air refrigeration cycle

For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the _______________ of each component must be same in all phases?

A Chemical potential

B Fugacity

C Both A. and B

D Neither A. nor B

Review Detailed Answer

Correct Answer: Both A. and B

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one ________________?

The first law of thermodynamics is a statement of conservation of_____________________?

4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is_________________?

First law of thermodynamics deals with the ___________________?

Specific/molar Gibbs free energy for a pure substance does not change during________________?

The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is__________________?

The expression, nCv(T2 – T1), is for the _____________ of an ideal gas?

For a spontaneous process, free energy__________________?

Which of the following has the minimum value of COP for a given refrigeration effect ?

For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the _______________ of each component must be same in all phases?