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.

6254. Poise is converted into stoke by

Multiplying with density (gm/c.c)
Dividing by density (gm/c.c)
Multiplying with specific gravity
Dividing by specific gravity
✅ The correct answer is option B.

6255. During ageing of fluid carrying pipes, the

Pipe becomes smoother with use
Friction factor increases linearly with time
Absolute roughness decreases with time
Absolute roughness increases linearly with time
✅ The correct answer is option D.

6256. When a fluid flows over a solid surface, the

Velocity is uniform at any cross-section
Velocity gradient is zero at the solid surface
Resistance between the surface & the fluid is lesser as compared to that between the fluid layers themselves
Velocity is not zero at the solid surface
✅ The correct answer is option B.