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.

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
(∂T/∂P)H is the mathematical expression for__________________?
A Specific heat at constant pressure (Cp)
B Specific heat at constant volume (Cv)
C Joule-Thompson co-efficient
D None of these
Correct Answer: Joule-Thompson co-efficient
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
In jet refrigerators, the refrigerating fluid is practically always_________________?
A Water
B Ammonia
C Freon
D Brine
Correct Answer: Water
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
Gibbs phase rule finds application, when heat transfer occurs by___________________?
A Conduction
B Convection
C Radiation
D Condensation
Correct Answer: Condensation
When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is___________________?
A Same in both the phases
B Zero in both the phases
C More in vapour phase
D More in liquid phase
Correct Answer: Same in both the phases
Which of the following will increase the volume of a real gas by four times ?
A Doubling the absolute temperature as well as pressure of the gas
B Reducing pressure to one fourth at constant temperature
C Reducing temperature to one fourth at constant pressure
D Reducing the temperature to half and doubling the pressure
Correct Answer: Reducing pressure to one fourth at constant temperature
Which is not a refrigerant ?
A SO2
B NH3
C CCl2F2
D C2H4Cl2
Correct Answer: C2H4Cl2
Compressibility factor for almost all the gases are approximately same at the same__________________?
A Pressure and temperature
B Reduced pressure and reduced temperature
C Critical pressure and critical temperature
D None of these
Correct Answer: Reduced pressure and reduced temperature