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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

During the phase transition, _______________ changes?
A Pressure
B Volume
C Temperature
D All A , B. and C
Correct Answer: Volume
Clausius-Clapeyron equation is applicable to _____________ equilibrium processes?
A Solid-vapor
B Solid-liquid
C Liquid-vapor
D All A, B. and C
Correct Answer: All A, B. and C
The four properties of a system viz. P, V, T, S are related by ______________ equation?
A Gibbs-Duhem
B Gibbs-Helmholtz
C Maxwell’s
D None of these
Correct Answer: Maxwell’s
Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature of the gas)__________________?
A T
B √T
C T2
D 1/√T
Correct Answer: T
In the reaction, H2 +I2 ⇌ 2HI, addition of an inert gas will___________________?
A Increase the partial pressure of H2
B Increase the partial pressure of I2
C Increase the total pressure and hence shift the equilibrium towards the right
D Not affect the equilibrium conditions
Correct Answer: Not affect the equilibrium conditions
A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. Specific heat of block material is 0.4 kJ.kg-1. K-1. Ignoring the effect of expansion and contraction and also the heat capacity to tank, the total entropy change in kJ.kg-1, K-1 is_________________?
A -1.87
B 0
C 1.26
D 3.91
Correct Answer: 0
One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one ________________?
A Hour
B Day
C Minute
D Second
Correct Answer: Day
4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is_________________?
A 4 J
B ∞
C 0
D 8 J
Correct Answer: 0
Specific/molar Gibbs free energy for a pure substance does not change during________________?
A Sublimation
B Vaporisation
C Melting
D Either A, B. or C.
Correct Answer: Either A, B. or C.
The expression, nCv(T2 – T1), is for the _____________ of an ideal gas?
A Work done under adiabatic condition
B Co-efficient of thermal expansion
C Compressibility
D None of these
Correct Answer: Work done under adiabatic condition
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