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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 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

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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 ?

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_____________________?