Exam Question

### (a) Sprinkler Head: Description and Working Principle
A sprinkler head is a thermo-sensitive component of an automatic fire sprinkler system that discharges water when a predetermined temperature is reached, acting as both a fire detector and a suppression device. Its primary function is to control or extinguish fires in their early stages.
**Components of a Quartzoid Bulb Sprinkler Head:**
* **Frame (Steel Cage):** This is the main body of the sprinkler head. It provides structural support, houses the other components, and has a threaded end for connection to the sprinkler system piping.