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 throttling process (Joule-Thomson expansion), which property remains constant?
For a spontaneous adiabatic process in an isolated system, entropy must:
The Maxwell relation derived from dG = -SdT + VdP is:
In an adiabatic compression process for an ideal gas, which statement is correct?
The Joule-Thomson coefficient μ_JT is negative for most gases at room temperature. This means:
For a binary ideal solution, Raoult's law states that:
The compressibility factor Z for a real gas at high pressures is typically:
For a constant pressure process, the heat absorbed equals:
A reversible process between two states A and B will have entropy change: