M C Q s D r i v e

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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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.

_______________ functions are exemplified by heat and work ?

A Path
B Point
C State
D None of these
Correct Answer: Path

Ideal refrigeration cycle is____________________?

A Same as Carnot cycle
B Same as reverse Carnot cycle
C Dependent on the refrigerant’s properties
D The least efficient of all refrigeration processes
Correct Answer: Same as reverse Carnot cycle

Domestic refrigerator usually works on the _____________ refrigeration cycle?

A Carnot
B Air
C Absorption
D vapour-ejection
Correct Answer: Absorption

In a working refrigerator, the value of COP is always__________________?

A 0
B < 0
C < 1
D > 1
Correct Answer: > 1

(1/V) (∂V/∂T)P is the mathematical expression__________________?

A Joule-Thomson co-efficient
B Specific heat at constant pressure (Cp)
C co-efficient of thermal expansion
D Specific heat at constant volume (CV)
Correct Answer: co-efficient of thermal expansion

The internal energy of an incompressible fluid depends upon its_________________?

A Pressure
B Temperature
C Both A. & B
D Neither A. nor B
Correct Answer: Temperature

Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in__________________?

A Increased COP
B Same COP
C Decreased COP
D Increased or decreased COP; depending upon the type of refrigerant
Correct Answer: Increased COP

Cv for an ideal gas__________________?

A Does not depend upon temperature
B Is independent of pressure only
C Is independent of volume only
D Is independent of both pressure and volume
Correct Answer: Is independent of both pressure and volume

In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about _____________ percent?

A 0.25
B 0.5
C 0.75
D 1
Correct Answer: 0.5

Throttling process is a/an _____________ process?

A Reversible and isothermal
B Irreversible and constant enthalpy
C Reversible and constant entropy
D Reversible and constant enthalpy
Correct Answer: Irreversible and constant enthalpy