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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.

In a homogeneous solution, the fugacity of a component depends upon the __________________?

A Pressure

B Composition

C Temperature

D All (A), B. and (C)

Review Detailed Answer

Correct Answer: All (A), B. and (C)

Which of the following is an extensive property of a system ?

A Heat capacity

B Molal heat capacity

C Pressure

D Concentration

Review Detailed Answer

Correct Answer: Heat capacity

In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible ______________ process?

A Isobaric

B Isothermal

C Isentropic

D Isometric

Review Detailed Answer

Correct Answer: Isobaric

Henry’s law is closely obeyed by a gas, when its _____________ is extremely high?

A Pressure

B Solubility

C Temperature

D None of these

Review Detailed Answer

Correct Answer: None of these

“Dry ice” is________________?

A Moisture free ice

B Solid helium

C Solid carbon dioxide

D None of these

Review Detailed Answer

Correct Answer: Solid carbon dioxide

What is the ratio of adiabatic compressibility to isothermal compressibility ?

A 1

B < 1

C > 1

D >> 1

Review Detailed Answer

Correct Answer: 1

Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is___________________?

A 300 × (32/7)

B 300 × (33/5)

C 300 × (333/7)

D 300 × (35/7)

Review Detailed Answer

Correct Answer: 300 × (32/7)

The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The numbers of degrees of freedom are ?

A 1

B 2

C 3

D 0

Review Detailed Answer

Correct Answer: 2

A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is φi yi P = Yi xifi° where, Φ is a vapor fugacity component, Yi is the liquid activity coefficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of ______________________?

A Temperature only

B Temperature and pressure only

C Temperature, pressure and liquid composition xi only

D Temperature, pressure, liquid composition xi and vapour composition yi

Review Detailed Answer

Correct Answer: Temperature, pressure and liquid composition xi only

Gibbs-Duhem equation relates composition in liquid phase and the _____________ at constant temperature & pressure?

A Fugacity

B Partial pressure

C Activity co-efficient

D All (A), (B), and (C)

Review Detailed Answer

Correct Answer: All (A), (B), and (C)

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

In a homogeneous solution, the fugacity of a component depends upon the __________________?

Which of the following is an extensive property of a system ?

In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible ______________ process?

Henry’s law is closely obeyed by a gas, when its _____________ is extremely high?

“Dry ice” is________________?

What is the ratio of adiabatic compressibility to isothermal compressibility ?

Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is___________________?

The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The numbers of degrees of freedom are ?

Gibbs-Duhem equation relates composition in liquid phase and the _____________ at constant temperature & pressure?