Exam Question

(a) Fire in the exhaust gas boiler on a motor ship may develop in two or three stages.

With reference to such situations, discuss the factors which could be responsible for initiation and development of:

(i) Ignition of soot

(ii) Small soot fires

(iii) High temperature fires

(b) State the standing instruction you, as Second Engineer Officer, would issue to watch keepers with respect to the action to be taken in the event of a boiler uptake fire.