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.

(∂E/∂T)V is the mathematical expression for____________________?

A CV

B Enthalpy change

C Free energy change

D None of these

Review Detailed Answer

Correct Answer: None of these

Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor) ?

A Freon

B Liquid sulphur dioxide

C Methyl chloride

D Ammonia

Review Detailed Answer

Correct Answer: Freon

A/an ____________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor?

A Isolated

B Closed

C Open

D None of these

Review Detailed Answer

Correct Answer: Open

In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when_______________?

A n = y = 1.4

B n = 0

C n = 1

D n = 1.66

Review Detailed Answer

Correct Answer: n = 1

In which of the following reaction equilibrium, the value of equilibrium constant Kp will be more than is Kc ?

A 2HI ⇌ H2 + I2

B N2O4 ⇌ 2NO2

C 2SO2 + O2 ⇌ 2SO3

D None of these

Review Detailed Answer

Correct Answer: N2O4 ⇌ 2NO2

The partial pressure of each constituent present in an alloy is _____________ the total vapor pressure exerted by the alloy?

A Less than

B Equal to

C More than

D Either B. or C; depends on the type of alloy

Review Detailed Answer

Correct Answer: Less than

In any spontaneous process, ?

A Only F decreases

B Only A decreases

C Both F and A decreases

D Both F and A increase

Review Detailed Answer

Correct Answer: Both F and A decreases

The change in Gibbs free energy for vaporisation of a pure substance is___________________?

A Positive

B Negative

C Zero

D May be positive or negative

Review Detailed Answer

Correct Answer: Zero

Answer: Option B 392. Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to _____________ °C?

A 270

B 327

C 300

D 540

Review Detailed Answer

Correct Answer: 327

Free energy___________________?

A Decreases in all spontaneous (or irreversible) processes

B Change during a spontaneous process has a negative value

C Remains unchanged in reversible processes carried at constant temperature and pressure

D All A, B. and C

Review Detailed Answer

Correct Answer: All A, B. and C

Showing 9531 to 9540 of 9594 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

(∂E/∂T)V is the mathematical expression for____________________?

Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor) ?

A/an ____________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor?

In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when_______________?

In which of the following reaction equilibrium, the value of equilibrium constant Kp will be more than is Kc ?

The partial pressure of each constituent present in an alloy is _____________ the total vapor pressure exerted by the alloy?

In any spontaneous process, ?

The change in Gibbs free energy for vaporisation of a pure substance is___________________?

Answer: Option B 392. Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to _____________ °C?

Free energy___________________?