Question:easy

A device fitted on the crown plate of fire box and used to prevent damage of heating surface in case of low water level is

Show Hint

The fusible plug is a reliable thermal safety fuse for steam boilers. It uses a low-melting-point alloy that melts when uncovered by water, allowing steam to escape and extinguish the furnace fire before the boiler plates overheat.
Updated On: Jul 23, 2026
  • Water level indicator
  • Safety valve
  • Fusible plug
  • Steam trap
Show Solution

The Correct Option is C

Solution and Explanation

Was this answer helpful?
0

Top Questions on Heat Transfer and Unit Operations

Questions Asked in ICAR AIEEA (PG) exam