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.

At a given temperature, the volume of a gas dissolved in a solvent _______________ with increase in pressure?

A Increases

B Decreases

C Remains unchanged

D May increase or decrease; depends on the gas

Review Detailed Answer

Correct Answer: Remains unchanged

In the reaction; N2 + O2 ⇌ 2NO, increasing the pressure will result in_________________?

A Shifting the equilibrium towards right

B Shifting the equilibrium towards left

C No change in equilibrium condition

D None of these

Review Detailed Answer

Correct Answer: No change in equilibrium condition

1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be ?

A 35 K

B 174 K

C 274 K

D 154 K

Review Detailed Answer

Correct Answer: 274 K

Work done may be calculated by the expression ∫ p dA for _____________ processes ?

A Non-flow reversible

B Adiabatic

C Both A. and B

D Neither A. nor B

Review Detailed Answer

Correct Answer: Both A. and B

Sound waves propagation in air exemplifies an ______________ process?

A Adiabatic

B Isothermal

C Isometric

D None of these

Review Detailed Answer

Correct Answer: Adiabatic

Which of the following is an undesirable characteristic of a refrigerant ?

A It should be non-explosive

B It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils

C Its vapor pressure at the condenser temperature should be very high

D None of these

Review Detailed Answer

Correct Answer: It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils

Mollier diagram is a plot of___________________?

A Temperature vs. enthalpy

B Temperature vs. enthalpy

C Entropy vs. enthalpy

D Temperature vs. internal energy

Review Detailed Answer

Correct Answer: Entropy vs. enthalpy

Which of the following is not an intensive property ?

A Molar heat capacity

B Internal energy

C Viscosity

D None of these

Review Detailed Answer

Correct Answer: Internal energy

The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the ____________ temperature?

A Critical

B Boyle

C Inversion

D Reduced

Review Detailed Answer

Correct Answer: Boyle

The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?

A An open system of constant composition

B A closed system of constant composition

C An open system with changes in composition

D A closed system with changes in composition

Review Detailed Answer

Correct Answer: A closed system with changes in composition

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

At a given temperature, the volume of a gas dissolved in a solvent _______________ with increase in pressure?

In the reaction; N2 + O2 ⇌ 2NO, increasing the pressure will result in_________________?

1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be ?

Work done may be calculated by the expression ∫ p dA for _____________ processes ?

Sound waves propagation in air exemplifies an ______________ process?

Which of the following is an undesirable characteristic of a refrigerant ?

Mollier diagram is a plot of___________________?

Which of the following is not an intensive property ?

The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the ____________ temperature?

The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?