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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.

The number of degrees of freedom for an azeotropic mixture in a two component vapourliquid equilibria is/are__________________?

A Zero

B One

C Two

D Three

Review Detailed Answer

Correct Answer: One

The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium, is__________________?

A 3

B 1

C 2

D 0

Review Detailed Answer

Correct Answer: 1

At the critical point of a substance____________?

A The surface tension vanishes

B Liquid and vapour have the same density

C There is no distinction between liquid and vapour phases

D All A, B. and C

Review Detailed Answer

Correct Answer: All A, B. and C

Standard temperature and pressure (S.T.P.) is__________________?

A 0°C and 750 mm Hg

B 15°C and 750 mm Hg

C 0°C and 1 kgf/cm2

D 15°C and 1 kgf/cm2

Review Detailed Answer

Correct Answer: 0°C and 750 mm Hg

For any system, what is the minimum number of degrees of freedom ?

A 0

B 1

C 2

D 3

Review Detailed Answer

Correct Answer: 0

The intensive properties are_____________?

A Molar volume, density, viscosity and boiling point

B Refractive index and surface tension

C Both A. and B

D None of these

Review Detailed Answer

Correct Answer: Both A. and B

What is the degree of freedom for two miscible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope ?

A 0

B 1

C 2

D 3

Review Detailed Answer

Correct Answer: 2

Enthalpy of a gas depends upon its___________________?

A Temperature

B Mass

C Volume

D Pressure

Review Detailed Answer

Correct Answer: Temperature

The expression, ΔG = nRT. ln(P2/P1), gives the free energy change______________?

A With pressure changes at constant temperature

B Under reversible isothermal volume change

C During heating of an ideal gas

D During cooling of an ideal gas

Review Detailed Answer

Correct Answer: With pressure changes at constant temperature

Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg. K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is_______________?

A Superheated vapour

B Partially condensed vapour with quality of 0.9

C Saturated vapour

D Partially condensed vapour with quality of 0.1

Review Detailed Answer

Correct Answer: Superheated vapour

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The number of degrees of freedom for an azeotropic mixture in a two component vapourliquid equilibria is/are__________________?

The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium, is__________________?

At the critical point of a substance____________?

Standard temperature and pressure (S.T.P.) is__________________?

For any system, what is the minimum number of degrees of freedom ?

The intensive properties are_____________?

What is the degree of freedom for two miscible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope ?

Enthalpy of a gas depends upon its___________________?

The expression, ΔG = nRT. ln(P2/P1), gives the free energy change______________?

Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg. K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is_______________?