A. Impact
B. Completely reversed
C. Dynamic
D. Static & dynamic
✅ The correct answer is option B.
Basic Chemical Engineering MCQs
Which of the following equipments is used for liquid dispersion?
A. Packed column
B. Venturi scrubber
C. Bubble cap plate column
D. Wetted wall column
✅ The correct answer is option B.
__________ circuit is most commonly used to measure strain with the help of a strain gauge.
A. Ballast
B. Voltage balancing potentiometric
C. Simple current sensitive
D. None of these
✅ The correct answer is option B.
The specific gravity of coal depends mainly on its __________ content.
A. Carbon
B. Volatile matter
C. Ash
D. Moisture
✅ The correct answer is option D.
Which of the following is an ore dressing operation?
A. Classification
B. Smelting
C. Roasting
D. None of these
✅ The correct answer is option A.
Boiling point of water gets lowered at high altitudes (e.g., hills), because
A. Temperature is low
B. Atmospheric pressure is low
C. Atmospheric pressure is high
D. None of these
✅ The correct answer is option B.
Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of
A. Steel
B. Glass wood
C. Copper
D. Fireclay bricks
✅ The correct answer is option B.
Electrometallurgy is not involved in the extraction of __________ from its ore.
A. Aluminium
B. Tin
C. Lead
D. Both B & C
✅ The correct answer is option D.
Regeneration of molecular seive requires it to be heated to a temperature of about __________ °C.
A. 80-120
B. 200-300
C. 600-800
D. 1000-1100
✅ The correct answer is option B.
Which of the following rays has the least wavelength?
A. Ultraviolet rays
B. Infrared rays
C. Cosmic rays
D. X-rays
✅ The correct answer is option C.