MCQsDrive | MCQsDrive

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.

Gases are cooled in Joule-Thomson expansion, when it is _____________ inversion temperature?

A Below

B At

C Above

D Either B. or C.

Review Detailed Answer

Correct Answer: Below

Solid and liquid phases of a substance are in equilibrium at the____________________?

A Critical temperature

B Melting point

C Freezing point

D Both B. and C

Review Detailed Answer

Correct Answer: Both B. and C

Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as________________?

A P + F – C = 2

B C = P – F + 2

C F = C – P – 2

D P = F – C – 2

Review Detailed Answer

Correct Answer: P + F – C = 2

For an isothermal reversible compression of an ideal gas_______________?

A Only ΔE = 0

B Only ΔH =0

C ΔE = ΔH = 0

D dQ = dE

Review Detailed Answer

Correct Answer: ΔE = ΔH = 0

Entropy change in case of reversible adiabatic process is________________?

A Minimum

B Zero

C Maximum

D Indeterminate

Review Detailed Answer

Correct Answer: Zero

The minimum number of phases that can exist in a system is________________?

A 0

B 1

C 2

D 3

Review Detailed Answer

Correct Answer: 1

Fundamental principle of refrigeration is based on the ______________ law of thermodynamics?

A Zeroth

B First

C Second

D Third

Review Detailed Answer

Correct Answer: Second

Air-refrigeration cycle________________?

A Is the most efficient of all refrigeration cycles

B Has very low efficiency

C Requires relatively large quantities of air to achieve a significant amount of refrigeration

D Both B. and C

Review Detailed Answer

Correct Answer: Both B. and C

For a constant volume process_________________?

A dE = CpdT

B dE = CvdT

C dQ = dE + pdV

D dW = pdV

Review Detailed Answer

Correct Answer: dE = CvdT

Which of the following is not an extensive property ?

A Free energy

B Entropy

C Refractive index

D None of these

Review Detailed Answer

Correct Answer: Refractive index

Showing 361 to 370 of 508 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Gases are cooled in Joule-Thomson expansion, when it is _____________ inversion temperature?

Solid and liquid phases of a substance are in equilibrium at the____________________?

Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as________________?

For an isothermal reversible compression of an ideal gas_______________?

Entropy change in case of reversible adiabatic process is________________?

The minimum number of phases that can exist in a system is________________?

Fundamental principle of refrigeration is based on the ______________ law of thermodynamics?

Air-refrigeration cycle________________?

For a constant volume process_________________?

Which of the following is not an extensive property ?