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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

For a thermodynamic system containing ‘x’ chemical species, the maximum number of phases that can co-exist at equilibrium is_________________?
A x
B x + 1
C x + 2
D x + 3
Correct Answer: x
Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the__________________?
A Two temperatures only
B Pressure of working fluid
C Mass of the working fluid
D Mass and pressure both of the working fluid
Correct Answer: Two temperatures only
A gas performs the maximum work, when it expands___________________?
A Non-uniformly
B Adiabatically
C Isobarically
D Isothermally
Correct Answer: Isobarically
Absolute zero temperature signifies the ____________________?
A Minimum temperature attainable
B Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in
C Temperature of the heat reservoir to which a Carnot engine rejects no heat
D None of these
Correct Answer: Temperature of the heat reservoir to which a Carnot engine rejects no heat
Melting of ice exemplifies a/an______________________?
A Adiabatic process
B Endothermic reaction
C Exothermic reaction
D Process involving a chemical reaction
Correct Answer: Endothermic reaction
Normal temperature and pressure (N.T.P.) corresponds to ___________________?
A 0°C and 760 mm Hg
B 15°C and 760 mm Hg
C 20°C and 760 mm Hg
D 0°C and 1 kgf/cm2
Correct Answer: 0°C and 760 mm Hg
The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmann‟s constant, T = absolute temperature) ?
A √(2KT/m)
B √(3KT/m)
C √(6KT/m)
D 3KT/m
Correct Answer: √(3KT/m)
Requisites of a reversible process is that the ____________________?
A System and surroundings pressure be equal
B Friction in the system should be absent
C System and surroundings temperature be equal
D None of these
Correct Answer: Friction in the system should be absent
Internal energy of an ideal gas___________________?
A Increases with increase in pressure
B Decreases with increase in temperature
C Is independent of temperature
D None of these
Correct Answer: None of these
As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T) approaches________________?
A Zero
B Unity
C Infinity
D None of these
Correct Answer: Zero
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