Q$2.($a$)$ Describe the energy release signatures produced from fires that can be used in

detecting the fire.

$($b$)$ Discuss the limitations of the types of detectors which are used to detect those

signatures as described in part $($a$).$

$($c$)$ Discuss, with examples, the possible causes of unwanted fire alarm problems in a

large shopping arcade in Hong Kong. Suggest remedial actions to the building

management for minimizing the false fire alarm problems in this type of premise.