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.

1213. Pick out the wrong statement:

A. Soft water is more corrosive than that carrying calcium salts
B. The corrosion of brass condenser tubes handling brine solution is also termed as ‘dezincification’
C. Non-annealed brass is highly susceptible to season cracking (i.e., inter-crystal corrosion due to internal stresses)
D. Pure copper is highly susceptible to stress corrosion
✅ The correct answer is option D.

1217. Galvanic corrosion

A. Occurs in a bimetal couple
B. Occurs in highly stressed metallic parts only
C. Is exemplified by caustic embrittlement of boiler tubes
D. Is also called dezincification
✅ The correct answer is option A.
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