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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 work done in an adiabatic change in a particular gas depends upon changes in the ______________ only?

A Temperature

B Specific heat

C Volume

D Pressure

Review Detailed Answer

Correct Answer: Temperature

A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is________________?

A Zero

B Positive

C Negative

D None of these

Review Detailed Answer

Correct Answer: Negative

Entropy change for an irreversible isolated system is__________________?

A ∞

B 0

C < 0

D > 0

Review Detailed Answer

Correct Answer: 0

Sublimation temperature of dry ice (solid CO2) is ____________ °C?

A -273

B 0

C -78

D 5

Review Detailed Answer

Correct Answer: -78

Pick out the correct statement?

A If an insoluble gas is passed through a volatile liquid placed in a perfectly insulated container,

B A process is irreversible as long as Δ S for the system is greater than zero

C The mechanical work done by a system is always equal to∫P.dV

D The heat of formation of a compound is defined as the heat of reaction leading to the

Review Detailed Answer

Correct Answer: The heat of formation of a compound is defined as the heat of reaction leading to the

Which of the following is not a common refrigerant ?

A Freon-12

B Ethylene

C Ammonia

D Carbon dioxide

Review Detailed Answer

Correct Answer: Ethylene

_____________ law of thermodynamics ascertains the direction of a particular spontaneous process?

A Zeroth

B First

C Second

D Third

Review Detailed Answer

Correct Answer: Second

The energy of activation of exothermic reaction is_________________?

A Zero

B Negative

C Very large compared to that for endothermic reaction

D Not possible to predict

Review Detailed Answer

Correct Answer: Not possible to predict

On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will____________________?

A Increase

B Decrease

C Remain same

D Increase in summer and will decrease in winter

Review Detailed Answer

Correct Answer: Increase

A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be _____________ c.c?

A 2.73

B 28.3

C 273

D 283

Review Detailed Answer

Correct Answer: 28.3

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The work done in an adiabatic change in a particular gas depends upon changes in the ______________ only?

A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is________________?

Entropy change for an irreversible isolated system is__________________?

Sublimation temperature of dry ice (solid CO2) is ____________ °C?

Pick out the correct statement?

Which of the following is not a common refrigerant ?

_____________ law of thermodynamics ascertains the direction of a particular spontaneous process?

The energy of activation of exothermic reaction is_________________?

On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will____________________?

A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be _____________ c.c?