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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.

All Topics  9594

The extensive properties are____________________?
A Volume, mass and number of moles
B Free energy, entropy and enthalpy
C Both A. and B
D None of these
Correct Answer: Both A. and B
Van Laar equation deals with the activity co-efficients in___________________?
A Binary solutions
B Ternary solutions
C Azeotropic mixture only
D None of these
Correct Answer: Binary solutions
Which of the following is not an intensive property ?
A Molar heat capacity
B Internal energy
C Viscosity
D None of these
Correct Answer: Internal energy
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
Correct Answer: A closed system with changes in composition
Heat of reaction at constant volume is identified with _____________ change?
A Enthalpy
B Internal energy
C Either A. or B
D Neither A. nor B
Correct Answer: Internal energy
The equation, PV = nRT, is best obeyed by gases at____________________?
A Low pressure & high temperature
B High pressure & low temperature
C Low pressure & low temperature
D None of these
Correct Answer: Low pressure & high temperature
Gibbs-Helmholtz equation is__________________?
A ΔF = ΔH + T [∂(ΔF)/∂T]P
B ΔF = ΔH – TΔT
C d(E – TS) T, V < 0
D dP/dT = ΔHvap/T.ΔVvap
Correct Answer: ΔF = ΔH + T [∂(ΔF)/∂T]P
Free energy change of mixing two liquid substances is a function of the__________________?
A Concentration of the constituents only
B Quantities of the constituents only
C Temperature only
D All A, B. and C
Correct Answer: All A, B. and C
In case of an _______________ process, the temperature of the system increases?
A Isothermal compression
B Isothermal expansion
C Adiabatic expansion
D Adiabatic compression
Correct Answer: Adiabatic compression
Adiabatic compression of a saturated water vapour makes it ____________________ ?
A Supersaturated
B Superheated
C Both A. and B
D Neither A. nor B
Correct Answer: Superheated
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