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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

If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as__________________?
A Solubility increases as temperature increases
B Solubility increases as temperature decreases
C Solubility is independent of temperature
D Solubility increases or decreases with temperature depending on the Gibbs free energy change
Correct Answer: Solubility increases as temperature decreases
Entropy is a measure of the _____________ of a system?
A Disorder
B Orderly behaviour
C Temperature changes only
D None of these
Correct Answer: Disorder
An isentropic process is carried out at constant____________________?
A Volume
B Pressure
C Temperature
D All (A), B. and (C)
Correct Answer: Volume
The specific heat of saturated water vapour at 100°C is__________________?
A
B -ve
C 0
D +ve
Correct Answer: -ve
The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of _____________ and COP are the same?
A Kinematic viscosity
B Work
C Temperature
D None of these
Correct Answer: None of these
Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture ______________ calorimeter is not used for measuring the dryness fraction of steam?
A Bomb
B Separating
C Bucket
D Throttling
Correct Answer: Bomb
Specific volume of an ideal gas is____________________?
A Equal to its density
B The reciprocal of its density
C Proportional to pressure
D None of these
Correct Answer: The reciprocal of its density
The point at which all the three (solid, liquid and gas) phases co-exist, is known as the ____________ point?
A Freezing
B Triple
C Boiling
D Boyle
Correct Answer: Triple
Which of the following has the least thermal efficiency ?
A Steam engine
B Carnot engine
C Diesel engine
D Otto engine
Correct Answer: Steam engine
Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the_______________?
A Low pressure and high temperature
B Low pressure and low temperature
C High pressure and low temperature
D High pressure and high temperature
Correct Answer: Low pressure and low temperature
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