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How many brass washout plugs does a miniature boiler typically have?

  1. 1

  2. 2

  3. 3

  4. 4

The correct answer is: 3

A miniature boiler typically has three brass washout plugs. These plugs are essential for ensuring proper maintenance and cleaning of the boiler. Having three washout plugs allows for effective drainage and removal of sediment and scale that can build up in the boiler over time. Regular maintenance through washouts is crucial to ensure the safe and efficient operation of the boiler. With three plugs, it is easier to maintain access to different sections of the boiler, facilitating thorough cleaning and minimizing the risk of corrosion or other issues that may arise from accumulated debris. This design is a standard practice in miniature boiler construction to promote longevity and reliability in performance.