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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.

When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is___________________?

A Same in both the phases

B Zero in both the phases

C More in vapour phase

D More in liquid phase

Review Detailed Answer

Correct Answer: Same in both the phases

Which is not a refrigerant ?

A SO2

B NH3

C CCl2F2

D C2H4Cl2

Review Detailed Answer

Correct Answer: C2H4Cl2

Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which___________________?

A A homogeneous solution (say of phenol water) is formed

B Mutual solubility of the two liquids shows a decreasing trend

C Two liquids are completely separated into two layers

D None of these

Review Detailed Answer

Correct Answer: A homogeneous solution (say of phenol water) is formed

Maxwell’s relation corresponding to the identity, dH = dS = Vdp + Σμi dni is_____________________?

A (∂T/∂V)S, ni = -(∂P/∂S)V, ni

B (∂S/∂P)T, ni = (∂V/∂T)P, ni

C (∂S/∂V)T, ni = (∂P/∂T)V, ni

D (∂T/∂P)S, ni = (∂V/∂S)P, ni

Review Detailed Answer

Correct Answer: (∂T/∂P)S, ni = (∂V/∂S)P, ni

A system is said to be isopiestic, if there is no ______________ change?

A Temperature

B Pressure

C Volume

D None of these

Review Detailed Answer

Correct Answer: Pressure

What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor ?

A 2

B 0

C 3

D 1

Review Detailed Answer

Correct Answer: 2

Which of the following is not an equation of state ?

A Bertholet equation

B Clausius-Clapeyron equation

C Beattie-Bridgeman equation

D None of these

Review Detailed Answer

Correct Answer: Clausius-Clapeyron equation

The melting point of paraffin wax (which contracts on solidification) _______________ with pressure rise?

A Increases

B Decreases

C Remains unchanged

D Decreases linearly

Review Detailed Answer

Correct Answer: Increases

In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when___________________?

A Cp < Cv

B Cp = Cv

C Cp > Cv

D C ≥ Cv

Review Detailed Answer

Correct Answer: Cp = Cv

The internal energy of an ideal gas does not change in a reversible _____________ process?

A Isothermal

B Adiabatic

C Isobaric

D Isometric

Review Detailed Answer

Correct Answer: Isothermal

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is___________________?

Which is not a refrigerant ?

Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which___________________?

Maxwell’s relation corresponding to the identity, dH = dS = Vdp + Σμi dni is_____________________?

A system is said to be isopiestic, if there is no ______________ change?

What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor ?

Which of the following is not an equation of state ?

The melting point of paraffin wax (which contracts on solidification) _______________ with pressure rise?

In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when___________________?

The internal energy of an ideal gas does not change in a reversible _____________ process?