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Q8.What are the core features of the FSS Code? (International fire safety systems code). Elaborate on any one test prescribed by the Code.

Q3. Outline the measures to prevent fires caused by spillage of fuel, lubricating and hydraulic oil, involving EACH of the following:

(a) Pipes, filters, valves and cocks; (2)

(b) Oil units; (2)

(c) Overflow arrangements; (2)

(d) Sounding arrangements: (2)

(e) Thermometer fittings; (2)

(f) Pumps and fittings; (2)

(g) Electric cables; (2)

(h) Exhaust turnings. (2)

Q3. Explain in detail how you would isolate one section of a water sprinkler system for routine maintenance. Describe all tests and inspections you would make and how you would return the system to service. (16)

Q4. i) State the means provided for cutting off air supply to contain or extinguish fire in engine room through ventilation ducts. (4)

ii) Show an arrangement as to how remote shutting off of engine room fan dampers is possible. (8)

iii) What are funnel dampers? Why are they provided? Explain mode of operation in of engine room fire. (8)

Q7. Write short notes on following:

i) Fire hoses. (5)

ii) Nozzles for firefighting. (5)

iii) Fire hydrants. (5)

iv) International shore coupling. (5)

Q7. State why the following equipment’s require shut down during a major fire which has necessitated the evacuation of the machinery spaces:

(a) Settling and service tank valves. (4)

(b) Fuel transfer and supply pumps (4)

(c) Mechanical and natural ventilation (4)

(d) State how the fire is brought under control using the facilities available outside the machinery spaces. (8)

Q7. Petroleum vapours are a dangerous substance and when mixed with air can be ignited. With this in mind, briefly describe:

(a) Sketch an explosimeter or combustion gas indicator which can be used to check the atmosphere of a tank or pump room (10)

(b) Describe the explosimeter and its operation (10)

Q1. Explain the advantages and disadvantages of an inert gas smothering system from flue compared to an inert gas generator. Explain why inert gas generator is more advantageous.
Why it is unsuitable for use in machinery spaces. (20)

Q8. (a) The Centrifugal ballast pump in the engine room also doubles as a fire pump in your ship. What specific precautions would you take to change over the ballast pump from ballast / de-ballast mode to a fire pump mode (10)

(b) How is the emergency bilge suction tested? (10)

Q4. (a) Sketch a line diagram of a mechanical low expansion foam fixed firefighting system suitable for machinery spaces.

(b) Describe the operation of the system sketched.

(c) Explain how a mixture of foam making compound and sea water are converted into foam.

Q6. i) Name the different causes of fire, originating in machinery space. What is auto ignition and explain how it occurs. (5)

ii) Name some of the methods for detecting fire. (5)

iii) Name some of the methods for containment of fire. (5)

iv) What are the methods available for extinguishing fire. (5)

Q4. Fire protection for the accommodation spaces of passenger vessels incorporates means of detection, fighting and containment to reduce the spread of any fire.

A. Describe the means of detection and firefighting commonly installed;

B. State how the spread of fire is prevented and how the containment is used with the firefighting and detection arrangement to locate the fire.