M C Q s D r i v e
03079682698
mcqsdrive@gmail.com
About
Contact

Contact Info

03079682698

mcqsdrive@gmail.com

Ad Banner

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

thumb

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

The latent heat of vaporisation__________________?
A Decreases with increased temperature
B Decreases as pressure increases
C Becomes zero at the critical point
D All A., B. & C.
Correct Answer: All A., B. & C.
Atoms of the same element, but of different masses are called__________________?
A Isobars
B Isotones
C Isotopes
D None of these
Correct Answer: Isotopes
The temperature at which the second Virial co-efficient of a real gas is zero is called the_____________________?
A Eutectic point
B Boyle temperature
C Boiling point
D Critical temperature
Correct Answer: Eutectic point
Percentage saturation of a vapor bearing gas is always _____________ the relative saturation?
A Higher than
B Smaller than
C Equal to
D Either A. or B.; depends on the system
Correct Answer: Smaller than
The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?
A Measures the elevation in boiling point
B Is not dependent on the temperature
C Is a function of the liquid phase composition
D Measures the depression in freezing point
Correct Answer: Is a function of the liquid phase composition
Size range of the colloids particles is __________________?
A 5 – 200 milli-microns
B 50 – 200 microns
C 500 – 1000 microns
D 10 – 50 Angstrom
Correct Answer: 5 – 200 milli-microns
Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10-3 T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to – 100°C is ____________________?
A 10.73 kJ
B 16.15 kJ
C 18.11 kJ
D 18.33 kJ
Correct Answer: 18.11 kJ
1 kg of calcium carbide (CaC2) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?
A 5
B 10
C 15
D 20
Correct Answer: 10
Addition of a non-volatile solute to a solvent produces a ______________ in its solvent?
A Freezing point elevation
B Boiling point depression
C Vapor pressure lowering
D All A., B. & C.
Correct Answer: Vapor pressure lowering
With increase in the temperature of pure (distilled) water, its____________________?
A pOH decreases and pH increases
B pOH and pH both decreases
C pH and pOH both increases
D pH decreases and pOH increases
Correct Answer: pOH and pH both decreases
03079682698
mcqsdrive@gmail.com

Copyright @ 2026 MCQsDrive . All Rights Reserved.