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.
547 questions | 100% Free
A liquid film of thickness δ has a component A diffusing through it with first-order reaction. The Thiele modulus is defined as:
In the penetration theory of mass transfer, the mass transfer coefficient varies with contact time (t) as:
For drying of a wet solid in the constant rate period, the controlling mechanism for mass transfer is:
In a wetted wall column for gas absorption, if the gas film resistance is negligible (R_g ≈ 0), the overall mass transfer coefficient K_g is primarily controlled by:
For the absorption of multiple components from a gas stream into an organic solvent, the selectivity depends on:
In reverse osmosis (RO), the membrane flux equation (Darcy's law for membranes) predicts that flux is: