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.

Cp – Cv = R is valid for ______________ gases?

A Ideal

B Very high pressure

C Very low temperature

D All of the above

Review Detailed Answer

Correct Answer: Ideal

Which of the following is Clausius-Clapeyron Equation for vaporisation of an ideal gas under the condition that the molar volume of liquid is negligible compared to that of the vapor ?

A d ln p/dt = Hvap/RT2

B d ln p/dt = RT2/Hvap

C dp/dt = RT2/Hvap

D dp/dt = Hvap/RT2

Review Detailed Answer

Correct Answer: d ln p/dt = Hvap/RT2

Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is_____________________?

A Positive

B Negative

C Zero

D Infinity

Review Detailed Answer

Correct Answer: Zero

Which of the following non-flow reversible compression processes require maximum work ?

A Adiabatic process

B Isothermal process

C Isobaric process

D All require same work

Review Detailed Answer

Correct Answer: Adiabatic process

In an ideal solution, the activity of a component equals its __________________?

A Mole fraction

B Fugacity at the same temperature and pressure

C Partial pressure

D None of these

Review Detailed Answer

Correct Answer: Mole fraction

What is the degree of freedom for a system comprising liquid water equilibrium with its vapour ?

A 0

B 1

C 2

D 3

Review Detailed Answer

Correct Answer: 1

During adiabatic expansion of gas___________________?

A Pressure remains constant

B Pressure is increased

C Temperature remains constant

D None of these

Review Detailed Answer

Correct Answer: None of these

Fugacity is most helpful in____________________?

A Representing actual behaviour of real gases

B Representing actual behaviour of ideal gases

C The study of chemical equilibria involving gases at atmospheric pressure

D None of these

Review Detailed Answer

Correct Answer: Representing actual behaviour of real gases

Enthalpy changes over a constant pressure path are always zero for ______________ gas?

A Any

B A perfect

C An easily liquefiable

D A real

Review Detailed Answer

Correct Answer: A perfect

The most important application of distribution law is in_____________________?

A Evaporation

B Liquid extraction

C Drying

D Distillation

Review Detailed Answer

Correct Answer: Liquid extraction

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

Cp – Cv = R is valid for ______________ gases?

Which of the following is Clausius-Clapeyron Equation for vaporisation of an ideal gas under the condition that the molar volume of liquid is negligible compared to that of the vapor ?

Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is_____________________?

Which of the following non-flow reversible compression processes require maximum work ?

In an ideal solution, the activity of a component equals its __________________?

What is the degree of freedom for a system comprising liquid water equilibrium with its vapour ?

During adiabatic expansion of gas___________________?

Fugacity is most helpful in____________________?

Enthalpy changes over a constant pressure path are always zero for ______________ gas?

The most important application of distribution law is in_____________________?