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.

Clausius-Clapeyron Equation gives accurate result, when the __________________?

A Vapour pressure is relatively low and the temperature does not vary over wide limits

B Vapour obeys the ideal gas law and the latent heat of vaporisation is constant

C Volume in the liquid state is negligible compared with that in the vapour state

D All A, B. and C

Review Detailed Answer

Correct Answer: All A, B. and C

In an ideal refrigeration cycle, the change in internal energy of the fluid is_____________?

A +ve

B -ve

C 0

D Either of the above three; depends on the nature of refrigerant

Review Detailed Answer

Correct Answer: 0

The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is____________________?

A 0

B +ve

C -ve

D ∞

Review Detailed Answer

Correct Answer: +ve

Helmholtz free energy A. is defined as____________________?

A A = H – TS

B A = E – TS

C A = H + TS

D None of these

Review Detailed Answer

Correct Answer: A = E – TS

In polytropic process (PVn = constant), if n = 1; it means a/an ______________ process?

A Adiabatic

B Reversible

C Isothermal

D None of these

Review Detailed Answer

Correct Answer: Isothermal

Which of the following is not affected by temperature changes ?

A Fugacity

B Activity co-efficient

C Free energy

D None of these

Review Detailed Answer

Correct Answer: None of these

Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass ?

A dE = Tds – PdV

B dQ = CvdT + PdV

C dQ = CpdT + Vdp

D Tds = dE – PdV

Review Detailed Answer

Correct Answer: dE = Tds – PdV

Maximum work that could be secured by expanding the gas over a given pressure range is the _____________ work?

A Isothermal

B Adiabatic

C Isentropic

D None of these

Review Detailed Answer

Correct Answer: Isothermal

The internal energy of a gas obeying P (V – b) RT (where, b is a positive constant and has a constant Cv), depends upon its________________?

A Pressure

B Volume

C Temperature

D All A, B. & C

Review Detailed Answer

Correct Answer: Temperature

What happens in a reversible adiabatic compression ?

A Heating occurs

B Cooling occurs

C Pressure is constant

D Temperature is constant

Review Detailed Answer

Correct Answer: Heating occurs

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Clausius-Clapeyron Equation gives accurate result, when the __________________?

In an ideal refrigeration cycle, the change in internal energy of the fluid is_____________?

The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is____________________?

Helmholtz free energy A. is defined as____________________?

In polytropic process (PVn = constant), if n = 1; it means a/an ______________ process?

Which of the following is not affected by temperature changes ?

Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass ?

Maximum work that could be secured by expanding the gas over a given pressure range is the _____________ work?

The internal energy of a gas obeying P (V – b) RT (where, b is a positive constant and has a constant Cv), depends upon its________________?

What happens in a reversible adiabatic compression ?