# Smoker’s equation for the calculation of number of equilibrium stages in a continuous binary distillation column is used, when the _____ ? with Answer - Chemical Engineering Mcqs | TestPrep

> Solved MCQ: Smoker’s equation for the calculation of number of equilibrium stages in a continuous binary distillation column is used, when the _____ ? Correct Answer: A. Relative volatility is close to one (e.g., separation of close boiling isomers). Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Smoker’s equation for the calculation of number of equilibrium stages in a continuous binary distillation column is used, when the _____ ?

Direct Answer & Quick Reference

The correct option is **A. Relative volatility is close to one (e.g., separation of close boiling isomers)**.

A. Relative volatility is close to one (e.g., separation of close boiling isomers) **(Correct Answer)**

B. Feed is not at its bubble point

C. Number of equilibrium stages in only stripping section is to be calculated

D. Number of equilibrium stages required is likely to be very small

✨ Explain with AI

Verified Key: A. Relative volatility is close to one (e.g., separation of close boiling isomers)
Solved by 3,236+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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