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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 amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?

A Less than

B More than

C Same as

D Not related to

Review Detailed Answer

Correct Answer: Same as

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

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

Entropy change in case of reversible adiabatic process is________________?

A Minimum

B Zero

C Maximum

D Indeterminate

Review Detailed Answer

Correct Answer: Zero

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

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

At absolute zero temperature, the _____________ of the gas is zero?

A Pressure

B Volume

C Mass

D None of these

Review Detailed Answer

Correct Answer: Volume

Joule-Thomson Co-efficient at any point on the inversion curve is___________________?

A ∞

B +ve

C 0

D -ve

Review Detailed Answer

Correct Answer: 0

No work is done by the system, when a reaction occurs at constant__________________?

A Volume

B Temperature

C Pressure

D None of these

Review Detailed Answer

Correct Answer: Volume

If atmospheric temperature and dew point are nearly equal, then the relative humidity is_______________?

A Zero

B 50%

C Almost 100%

D unpredictable

Review Detailed Answer

Correct Answer: Almost 100%

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?

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

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

Entropy change in case of reversible adiabatic process is________________?

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

For a constant volume process_________________?

At absolute zero temperature, the _____________ of the gas is zero?

Joule-Thomson Co-efficient at any point on the inversion curve is___________________?

No work is done by the system, when a reaction occurs at constant__________________?

If atmospheric temperature and dew point are nearly equal, then the relative humidity is_______________?