# An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii) _____ ? with Answer - Chemical Engineering Mcqs | TestPrep

> Solved MCQ: An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii) _____ ? Correct Answer: A. Less number of trays are required. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii) _____ ?

Direct Answer & Quick Reference

The correct option is **A. Less number of trays are required**.

A. Less number of trays are required **(Correct Answer)**

B. Composition of the residue remains unchanged

C. More number of trays are required but the residue composition remains unchanged

D. More number of trays are required and the residue composition is more dilute in methanol

✨ Explain with AI

Verified Key: A. Less number of trays are required
Solved by 5,200+ students

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

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