Chemical Engineering

Prepare with the best Chemical Engineering MCQs with answers and detailed explanations for exams and job tests. Our collection covers key topics such as chemical process calculations, thermodynamics, fluid mechanics, heat transfer, mass transfer, reaction engineering, instrumentation, and plant design. These Chemical Engineering multiple-choice questions are ideal for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and job interviews. Practice online with updated Chemical Engineering MCQs to strengthen your concepts and improve technical problem-solving skills.

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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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