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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

Boyle’s law for gases states that____________________?
A P ∝ 1/V, when temperature is constant
B P ∝ 1/V, when temperature & mass of the gas remain constant
C P ∝ V, at constant temperature & mass of the gas
D P/V = constant, for any gas
Correct Answer: P ∝ 1/V, when temperature & mass of the gas remain constant
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
The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be _______________?
A More
B Less
C Same
D Data insufficient to predict
Correct Answer: More
A gas performs the maximum work, when it expands___________________?
A Non-uniformly
B Adiabatically
C Isobarically
D Isothermally
Correct Answer: Isobarically
With increase in pressure (above atmospheric pressure), the Cp of a gas_____________________?
A Increases
B Decreases
C Remains unchanged
D First decreases and then increases
Correct Answer: Increases
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
PVy = constant, holds good for an isentropic process, which is_________________?
A Reversible and isothermal
B Isothermal and irreversible
C Reversible and adiabatic
D Adiabatic and irreversible
Correct Answer: Reversible and adiabatic
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
As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches_______________________?
A Unity
B Zero
C That of the heat of reaction
D Infinity
Correct Answer: Zero
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
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