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.

1776. ‘Semi steel’ is

Produced by adding 10-20% steel to the cupola charge
Stronger than cast iron
Both A & B
Neither A nor B
✅ The correct answer is option C.

1777. Mild steel is

A low carbon steel (0.05 to 0.3% carbon)
Highly resistant to corrosion (as much as stainless steel)
A high carbon steel (0.5 to 1.5% carbon)
Very poor in strength & ductility
✅ The correct answer is option A.

1779. Brass is an alloy of

Nickel and tin
Copper and zinc
Tin and lead
Copper, nickel and zinc
✅ The correct answer is option B.
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