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.

A system in which there is exchange of energy but not of mass, is called a/an ____________ system?
A Isolated
B Open
C Insulated
D Closed
Correct Answer: Closed
At ____________ point, all the three phases (i.e. solid, liquid and gas) co-exist ?
A Eutectic
B Triple
C Plait
D Critical
Correct Answer: Triple
Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called ____________ solutions?
A Ideal
B Real
C Isotonic
D None of these
Correct Answer: Ideal
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
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