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.

957. Ageing of steel refers to the

A. Degradation of steel by corrosion
B. Failure of steel structure by overstress-ing
C. Return of sharp yield point in temper rolled low carbon sheet after a period of time
D. Decarburisation of steel by overheating
✅ The correct answer is option C.

959. Fine grained steels have

A. High brittleness
B. Higher tendency to distort
C. High ductility
D. None of these
✅ The correct answer is option C.

960. Function of fusible plug in a boiler is to

A. Drain out water and sludge from the boiler during repair
B. Put off fire in the furnace when water level in the boiler falls to unsafe limit
C. Guard the boiler in case of abnormal rise in steam pressure
D. All of the above
✅ The correct answer is option B.
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