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.

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

The unit of equilibrium constant of a chemical reaction is the same as that of__________________?

A Molar concentration

B Temperature

C Internal energy

D None of these

Review Detailed Answer

Correct Answer: None of these

To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 – 1/T2) from the exact Clapeyron equation, it is assumed that the____________________?

A Volume of the liquid phase is negligible compared to that of vapour phase

B Vapour phase behaves as an ideal gas

C Heat of vaporisation is independent of temperature

D All A , B. & C.

Review Detailed Answer

Correct Answer: All A , B. & C.

A liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid?

A Sub-cooled

B Saturated

C Non-solidifiable

D None of these

Review Detailed Answer

Correct Answer: Sub-cooled

For a given substance at a specified temperature, activity is ______________ to fugacity?

A Directly proportional

B Inversely proportional

C Equal

D None of these

Review Detailed Answer

Correct Answer: Directly proportional

Showing 9321 to 9330 of 9594 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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 ___________________?

The unit of equilibrium constant of a chemical reaction is the same as that of__________________?

To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 – 1/T2) from the exact Clapeyron equation, it is assumed that the____________________?

A liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid?

For a given substance at a specified temperature, activity is ______________ to fugacity?