M C Q s D r i v e

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.

An aqueous solution of 2.45% by weight H2SO4 has a specific gravity of 1.011. The composition expressed in normality is______________?
A 0.2500
B 0.2528
C 0.5000
D 0.5055
Correct Answer: 0.5055
The density of a gas at N.T.P.is ‘ρ’. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75 ρ at a temperature of ____________ °K?
A 273°
B 300°
C 400°
D 373°
Correct Answer: 400°
A long cylinder and a sphere both of 5 cms diameter are made from the same porous material. The flat ends of cylinder are sealed. Both the cylinder and sphere are saturated with the same solution of sodium chloride. Later both the objects are immersed for a short and equal interval of time in a large tank of water which is well agitated. The fraction of salt remaining in the cylinder and the sphere are Xc and Xs respectively. Which of the following statement is correct ?
A Xc > Xs
B Xc = Xs
C Xc < Xs
D Xc greater/less than Xs depending on the length of the cylinder
Correct Answer: Xc < Xs
The temperature at which a real gas obeys Boyle’s law is termed as the__________________?
A Triple point
B Boyle’s temperature
C Eutectic point
D Inversion temperature
Correct Answer: Boyle’s temperature
Recycling in a chemical process facilitates___________________?
A Increased yield
B Enrichment of product
C Heat conservation
D All A., B. & C.
Correct Answer: All A., B. & C.
Internal energy is independent of the ____________ for an ideal gas?
A Pressure
B Volume
C Both A. & B.
D Neither A. nor B.
Correct Answer: Both A. & B.
“The total volume occupied by a gaseous mixture is equal to the sum of the pure component volumes”. This is the _____________ law?
A Dalton’s
B Amagat’s
C Gay-Lussac’s
D Avogadro’s
Correct Answer: Amagat’s
Which of the following gravity scales is used exclusively for liquids heavier than water ?
A Baume scale
B Twaddell scale
C API scale
D None of these
Correct Answer: Twaddell scale
1m3 is approximately equal to_________________?
A 28 litres
B 35 ft3
C 4.5 litres
D 4.5 ft3
Correct Answer: 35 ft3
In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is__________________?
A Independent of the temperature
B Increased with the increase in pressure
C Decreased with the increase in pressure
D Unchanged by the pressure change
Correct Answer: Decreased with the increase in pressure