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.

📘 Basic Chemical Engineering MCQs
📘 Chemical Process MCQs
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📘 Fluid Mechanics MCQs
📘 Fuel and Combustion MCQs
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📘 Heat Transfer MCQs
📘 Mass Transfer MCQs
📘 Materials and Construction MCQs
📘 Nuclear Power Engineering MCQs
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📘 Plant Economics MCQs
📘 Polymer Technology MCQs
📘 Process Equipment and Plant Design MCQs
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📘 Statiometery MCQs
📘 Thermodynamics MCQs

4512. Teflon is

phenol formaldehyde
an inorganic polymer
polytetra florouethylene (PTFE)
a monomer
✅ The correct answer is option C.

4516. In an irreversible process

A. Tds = dE – dW = 0
B. DE – dW – Tds = 0
C. Tds – dE + dW< 0
D. Tds – dT + dW< 0
✅ The correct answer is option C.

4518. Gibbs-Duhem equation

A. States that n₁dμ₁ + n₂dμ₂ + ….njdμj = 0, for a system of definite composition at constant temperature and pressure
B. Applies only to binary systems
C. Finds no application in gas-liquid equilibria involved in distillation
D. None of these
✅ The correct answer is option A.