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.

284. When the weight of a ball inside the ball mill is just balanced by the centrifugal force,

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A. The ball abandons its circular path for a parabolic path
B. The ball abandans its parabolic path for a circular path
C. The ball continues to move on a circular path
D. The ball continues to move on a parabolic path
✅ The correct answer is option A.

286. Pick out the wrong statement about powder metallurgy technique.

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A. Powder metallurgy techniques are applied at room temperature
B. Final product in powder metallurgy is not necessarily metallic powder
C. The final product in powder metallurgy is made from metallic powder
D. Silver and nickel when melted together do not mix to form an alloy ; however alloy of these constituents can be made by powder metallurgy technique
✅ The correct answer is option A.