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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.

If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be ______________ c.c?

A 100

B 50

C 205

D 200

Review Detailed Answer

Correct Answer: 200

The equation, Cp – Cv = R, is true for _______________ gas?

A No

B Any real

C Only ideal

D Both B. and C.

Review Detailed Answer

Correct Answer: Only ideal

All gases above its inversion temperature, in a throttling process will show__________________?

A A heating effect

B No change in temperature

C A cooling effect

D Either A. or (C)

Review Detailed Answer

Correct Answer: A heating effect

Compound having large heat of formation is_____________________?

A More stable

B Less stable

C Not at all stable (like nascent O2)

D Either more or less stable; depends on the compound

Review Detailed Answer

Correct Answer: More stable

With increase in temperature, the internal energy of a substance___________________?

A Increases

B Decreases

C Remains unchanged

D May increase or decrease; depends on the substance

Review Detailed Answer

Correct Answer: Increases

The heat capacities for the ideal gas state depend upon the_________________?

A Pressure

B Temperature

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Temperature

(∂H/∂T)P is the mathematical expression for____________________?

A CV

B Entropy change

C Gibbs free energy

D None of these

Review Detailed Answer

Correct Answer: None of these

Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of _____________________?

A Sublimation

B Fusion

C Transition

D Vaporisation

Review Detailed Answer

Correct Answer: Transition

The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is_________________?

A R loge 4

B R log10 4

C Cv log10 4

D Cv loge 4

Review Detailed Answer

Correct Answer: R loge 4

Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is ___________________?

A 0

B ∞

C +ve

D -ve

Review Detailed Answer

Correct Answer: 0

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be ______________ c.c?

The equation, Cp – Cv = R, is true for _______________ gas?

All gases above its inversion temperature, in a throttling process will show__________________?

Compound having large heat of formation is_____________________?

With increase in temperature, the internal energy of a substance___________________?

The heat capacities for the ideal gas state depend upon the_________________?

(∂H/∂T)P is the mathematical expression for____________________?

Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of _____________________?

The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is_________________?

Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is ___________________?