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.

The evaporation of aqueous solution of sugar causes its molarity to__________________?
A Decrease
B Increase
C Remain unchanged
D Either A. or B.; depends on the concentration of the solution
Correct Answer: Remain unchanged
Under conditions of equal reduced pressure and equal reduced temperature, substances are said to be in the ‘corresponding states’. At equal reduced conditions i.e., at the corresponding state, the ____________ of different gases are nearly the same?
A Compressibility
B Molecular weight
C Humidity
D None of these
Correct Answer: Compressibility
Which of the following is an exothermic reaction ?
A Conversion of graphite to diamond
B Decomposition of water
C Dehydrogenation of ethane to ethylene
D None of these
Correct Answer: None of these
Number of gram equivalent of solute dissolved in one litre of solution is called its___________________?
A Normally
B Molarity
C Molality
D Formality
Correct Answer: Normally
Kopp’s rule is helpful in finding the__________________?
A Heat capacities of solids
B Heat capacities of gases
C Molal heat capacities of gases
D Activation energy
Correct Answer: Heat capacities of solids
Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the______________________?
A Same elevation in boiling point
B Different elevation in boiling point
C Elevation in boiling point in the ratio of their molecular weights
D None of these
Correct Answer: Same elevation in boiling point
Mass number of an atom is the sum of the numbers of_________________?
A Neutrons and protons
B Protons and electrons
C Neutrons and electrons
D Both A. & B.
Correct Answer: Both A. & B.
Which of the following is not a unit of pressure ?
A Torr
B Newton/m2
C Parsec
D Ata, bar or Pascal
Correct Answer: Parsec
The heat of adsorption of a gas caused by Van der Waals forces of attraction and capillarity is equal to the heat of__________________?
A Normal condensation
B Wetting
C Sum of A. and B.
D Difference of A. and B.
Correct Answer: Sum of A. and B.
1 BTU/ft3 is approximately equal to _____________ kcal/m3?
A 1
B 9
C 4
D 252
Correct Answer: 9