Chemical Engineering - MCQ Practice Questions
Chemical Engineering questions for GATE and PSU exams are built on a handful of core subjects applied in many ways. Practice spans fluid mechanics, heat transfer, mass transfer, chemical reaction engineering, thermodynamics, process control and instrumentation, and plant design economics. Numerical solutions carry the assumptions written out, because the assumption is usually what separates a correct answer from a plausible one.
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In a parallel flow heat exchanger, the temperature approach is minimum at which end?
The Biot number (Bi = hL_c/k) is used to determine which regime of unsteady-state heat conduction?
For laminar flow inside circular tubes, the Nusselt number (Nu) is approximately constant at what value?
A flat plate at 100°C is cooled by air at 25°C. The convection heat transfer coefficient is 50 W/(m²·K). Calculate heat flux if plate area is 2 m².
A condensing steam at 100°C releases latent heat to water inside tubes. This is an example of which type of phase-change heat transfer?