A. Creep
B. Tension
C. Compression
D. Endurance
✅ The correct answer is option B.
Basic Chemical Engineering MCQs
Practice Basic Chemical Engineering MCQs with answers and explanations to prepare for exams, interviews, and job tests. Our question bank covers fundamental topics such as units and dimensions, material and energy balances, fluid mechanics, thermodynamics, heat transfer, mass transfer, and chemical process basics. These multiple-choice questions are designed for students, fresh graduates, and competitive exam aspirants preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and recruitment assessments. Strengthen your core concepts and problem-solving skills with our updated Basic Chemical Engineering MCQs.
112. 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.
113. 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.
114. 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.
115. 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.
116. 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.
117. 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.
118. 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.
119. Diamond does not conduct electricity, because
A. Its structure is very compact
B. No free electrons are present
C. It is of crystalline nature
D. There are only carbon atoms present
✅ The correct answer is option B.
120. “Internal energy of a gas obeying Vanderwall’s equation of state, (p + a/v²)(V – b) = RT , depends upon its”
A. Pressure & temperature
B. Pressure & specific volume
C. Temperature & specific volume
D. Temperature only
✅ The correct answer is option A.