1.What devices are used as overheat or fire detectors? 2. Describe three types of tubular fire detectors , or sensors. 3. List the general features and capabilities of overheat and fire warning...

1.What devices are used as overheat or fire detectors? 2. Describe three types of
tubular fire detectors, or
sensors.
3. List the general features and capabilities of overheat and fire warning systems for aircraft. 4. How are overheat and fire warning systems tested for operational capability? 5. How can a crew member tell when the helium gas in a pneumatic sensor has been lost? 6. Describe the operation of the
integrity monitoring
circuit.