Q2: With reference to fixed installations for dealing with a machinery space fire - A. Describe with the aid of a sketch a typical installation; B. Explain the testing procedure for the equipment: C. Outline the testing procedure for; (i) Remote shut down;(ii) Other equipment to be used in the event of an engine room fire.
Q1. With reference to automatic sprinkler system for firefighting purposes:
a) Explain, with the aid of a heat release versus time diagram, the difference between fire control and fire suppression
b) State the limitations of using glass bulb to activate sprinkler heads and suggest, with reasons, an alternative mechanism
c) The safety devices incorporated in the system
d) The parameters governing the volume of the pressure tank
Q3. With reference to fixed CO2 system for fighting machinery space fires:
a) Sketch a CO2 bottled system.
b) How the number of CO2 bottles required for ship is calculated?
c) Explain how the system sketched in part (a) is protected from overpressure.
d) Describe the periodic maintenance required. (16)
Q7. Explain the cargo hold fire detection system used on ships. Discuss the maintenance procedures for this system and outline the steps taken when a fire is detected in the cargo hold. (16)
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