Hard-Level Chemical Engineering Challenge
A rigorous set of ten multiple‑choice items testing deep knowledge of core chemical engineering concepts.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which design equation best predicts conversion in an isothermal plug‑flow reactor with a first‑order reaction?
- 2
In a binary distillation column, the minimum number of theoretical stages at total reflux is given by which relationship?
- 3
For a non‑ideal liquid mixture, which activity coefficient model accounts for both size and energy differences between molecules?
- 4
What is the primary cause of temperature overshoot during the start‑up of an exothermic CSTR?
- 5
In heat exchanger design, the LMTD method assumes which of the following?
- 6
Which safety device is mandated for vessels operating above 200 °C and containing flammable liquids?
- 7
The dimensionless group that characterizes the ratio of reaction rate to mass‑transfer rate in a gas‑phase catalytic reactor is the?
- 8
When using the McCabe–Thiele method for binary azeotropic mixtures, the operating line intersects the equilibrium curve at the azeotropic point because?
- 9
In process control, which type of controller eliminates steady‑state error for a ramp input?
- 10
Which material selection criterion is most critical for a reactor handling corrosive acids at 350 °F?
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