A. Applies to elastic deformation
B. Applies beyond limit of proportionality in stress-strain curve
C. States that stress is inversely proportional to strain upto elastic limit
D. Noneofthese
✅ The correct answer is option A.
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.
252. Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?
A. Aluminium
B. Copper
C. Titanium
D. Stainless steel
✅ The correct answer is option C.
253. The reductant used in the extraction of magnesium from calcined dolomite via Pidgeon’s process is
A. Pure carbon
B. Pure silicon
C. Ferro silicon
D. Ferro manganese
✅ The correct answer is option C.
254. Endurance is a measure of fatigue limit of a metal. Fatigue crack in nitrided machine parts originates
A. At the surface
B. Within the core
C. Just below the surface
D. Anywhere on the surface
✅ The correct answer is option B.
255. Fire in fuel gas pipelines is extinguished most effectively by
A. Spraying water
B. Blanketting the area with nitrogen atmosphere
C. Fire fighting foam
D. None of these
✅ The correct answer is option B.
256. __________ property of steel increases by addition of large amount of silicon in it.
A. Mechanical
B. Machining
C. Magnetic
D. Refractory
✅ The correct answer is option C.
257. Stainless steel is welded using
A. Oxy-acetylene flame
B. Oxy-hydrogen flame
C. Arc welding
D. Inert gas arc welding
✅ The correct answer is option D.
258. Commonly used flux for brazing is
A. Zinc chloride
B. Borax
C. Ammonium chloride
D. Rosin
✅ The correct answer is option B.
259. Which of the following is not a suitable solid lubricant?
A. Talc
B. Molybdenum disulphide
C. Graphite
D. None of these
✅ The correct answer is option D.
260. The bulk modulus of a material with Poisson’s ratio of 0.5 is equal to
A. 3 x Young’s modulus
B. Young’s modulus
C. Infinity
D. Zero
✅ The correct answer is option C.