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Q3. a) Where would you expect to find a Dry Powder Extinguisher? (3)

b) What safety Equipment should there be at a Bunker Station? (3)

c) Why is an Alarm Sounded when CO2 is released into the Engine Room? (3).

d) State the capabilities of a Ships Main Fire Pump. (3)

e) What is regarded as an enclosed space? (3)

f) What is Boundary cooling and the reasons for it? (3)

g) What all pumps in the Engine Room would supply the Fire Main? (2)

Q6. i) Name the types of portable fire extinguishers used on board ships. (5)

ii) State the use of the named type of extinguishers for extinguishing the concerned type of fire. (5)

iii) Sketch and describe a mechanical foam type of extinguisher, naming the components and material used to generate foam. (10)

Q1. (a) Sketch and describe a 50 litres Mechanical foam Fire Extinguisher, giving details with respect to (12)

(i) Type of gas used as expellants

(ii) Throw reach

(iii) Working and test pressure

(b) Explain the procedure for re-charging the same after use (8)