In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to
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Question context
This question is part of ⚙️ Mechanical Eng 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.