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.

The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 – T2)/T1. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by__________________?

A T1/(T1-T2)

B T2/(T1-T2)

C T1/T2

D T2/R1

Review Detailed Answer

Correct Answer: T1/(T1-T2)

The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the _____________ equation?

A Van Laar

B Margules

C Gibbs-Duhem

D Gibbs-Duhem-Margules

Review Detailed Answer

Correct Answer: Margules

An ideal gas is taken around the cycle ABCA as shown in P-V diagram below: The work done by the gas during the cycle is equal to_________________?

A 12 P1V1

B 6 P1 V1

C 3 P1V1

D P1 V1

Review Detailed Answer

Correct Answer: 3 P1V1

During a reversible isothermal expansion of an ideal gas, the entropy change is_________________?

A +ve

B 0

C -ve

D ∞

Review Detailed Answer

Correct Answer: +ve

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

Showing 311 to 320 of 508 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 – T2)/T1. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by__________________?

The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the _____________ equation?

An ideal gas is taken around the cycle ABCA as shown in P-V diagram below: The work done by the gas during the cycle is equal to_________________?

During a reversible isothermal expansion of an ideal gas, the entropy change is_________________?

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 ?