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.

In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by____________________?
A Low temperature
B High pressure
C Both A. and B
D Neither A. nor B
Correct Answer: Both A. and B
Chemical potential is a/an_____________________?
A Extensive property
B Intensive property
C Force which drives the chemical system to equilibrium
D Both B. and C
Correct Answer: Both B. and C
_______________ functions are exemplified by heat and work ?
A Path
B Point
C State
D None of these
Correct Answer: Path
Domestic refrigerator usually works on the _____________ refrigeration cycle?
A Carnot
B Air
C Absorption
D vapour-ejection
Correct Answer: Absorption
(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
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
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
COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about____________________?
A 0.5
B 3.5
C 4.5
D 8.5
Correct Answer: 3.5
The unity of Planck’s constant ‘h’ in the equation, E = hv is____________________?
A J/s
B J.S
C J/kmol
D kmol/J
Correct Answer: J.S
The value of gas constant ‘R’ is__________________?
A 1.987 cal/gm mole °K
B 1.987 BTU/lb. mole °R
C Both A. and B
D Neither A. nor B
Correct Answer: Both A. and B