Minimum diameter of the tube used for making water manometer should be __________ mm to avoid a correction for the effect of capillarity.

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Minimum diameter of the tube used for making water manometer should be __________ mm to avoid a correction for the effect of capillarity. Answer: 6

Question context

This question is part of ⚗️ Chemical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.