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 viscosity of water at room temperature may be around one ___________________?
A Centipoise
B Poise
C Stoke
D Both B. & C.
Correct Answer: Centipoise
_________________ chart is a graph related to Antoine equation ?
A Ostwald
B Cox
C Mollier’s
D Enthalpy-concentration
Correct Answer: Cox
The molar composition of a gas is 10% H2, 10% O2, 30% CO2 and balance H2O. If 50% H2O condenses, the final mole percent of H2 in the gas on a dry basis will be_______________?
A 10%
B 5%
C 18.18%
D 20%
Correct Answer: 20%
The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be _____________ times?
A 1/2
B 4
C √2
D 1/4
Correct Answer: √2
If a solution of eutectic composition is cooled, _______________ reaching the eutectic temperature ?
A The solvent begins to freeze out even before
B It will undergo no change until
C It will not solidify even on
D None of these
Correct Answer: It will undergo no change until
Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?
A Nature of the liquid
B Nature of the gas
C Temperature of the liquid
D Total pressure
Correct Answer: Nature of the gas
Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of________________?
A Mixing
B Adsorption
C Wetting
D Complete wetting
Correct Answer: Complete wetting
The heat of solution depends upon the____________________?
A Nature of solvent
B Concentration of solution
C Nature of solute
D All A., B. & C.
Correct Answer: All A., B. & C.
pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be_________________?
A 0
B 10
C 7
D 14
Correct Answer: 7
In a chemical process, the recycle stream is purged for______________________?
A Increasing the product yield
B Enriching the product
C Limiting the inerts
D Heat conservation
Correct Answer: Limiting the inerts