A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as?

LohaHridoy
  1. Blow off cock
  2. Fusible plug
  3. Superheater
  4. Stop valve

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AhmedNazir

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Answer: Option 4

Let'

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Answer: Option 3 Let'

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