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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 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

The first law of thermodynamics is a restatement of the law of conservation of_________________?

A Mass

B Energy

C Momentum

D None of these

Review Detailed Answer

Correct Answer: Energy

Linde gas liquefaction process employs cooling ____________________?

A By throttling

B By expansion in an engine

C At constant pressure

D None of these

Review Detailed Answer

Correct Answer: By throttling

________________ decreases during adiabatic throttling of a perfect gas?

A Entropy

B Temperature

C Enthalpy

D Pressure

Review Detailed Answer

Correct Answer: Pressure

In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible ______________ process?

A Isothermal

B Adiabatic

C Isentropic

D Polytropic

Review Detailed Answer

Correct Answer: Isentropic

Change of state namely evaporation condensation, freezing and melting is an _______________ process?

A Isothermal

B Adiabatic

C Isobaric

D Isochoric

Review Detailed Answer

Correct Answer: Isothermal

The kinetic energy of gas molecule is zero at_____________________?

A 0°C

B 273°C

C 100°C

D -273°C

Review Detailed Answer

Correct Answer: 273°C

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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?

The first law of thermodynamics is a restatement of the law of conservation of_________________?

Linde gas liquefaction process employs cooling ____________________?

________________ decreases during adiabatic throttling of a perfect gas?

In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible ______________ process?

Change of state namely evaporation condensation, freezing and melting is an _______________ process?

The kinetic energy of gas molecule is zero at_____________________?