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Q6. With reference to an automatic water sprinkler, fire detecting alarm and extinguishing system for accommodation spaces: -

A. (i) Sketch a typical system;

(ii) Describe the operation of this system;

B. State the sources of water available;

C. Describe the sprinkler head and its operation;

D. State how the temperature rating of the sprinkler head is determined.

Q2. Describe the procedure for releasing CO2 in engine room in case of engine room fire. How inadvertent release of CO2 in engine room prevented?

Q9. A. State the instructions you as Second Engineer will give to watch keepers with respect to boiler uptake fire;

B. State how the incidence of uptake fires may be minimized.

C. State the reasons for blow-back from the furnace of an auxiliary boiler.

D. State the standing instructions you might have received from your Chief Engineer With respect to the avoidance of boiler furnace blow-back.

Q4. Prepare a proposal for safe manning requirements for a ship of your choice taking into account the IMO guidelines on the issue, also considering frequent port calls, rest hour management and high-risk areas.

Q4. Give a pragmatic approach to dealing with a sea water leakage, which is flooding the engine room and which has the potential of causing a serious impairment to a vessels stability.

Q4. A. Sketch a simplified circuit that may be incorporated in a control panel for an array of fire detectors.

B. Describe the following features that may be found in a control panel for fire detectors:

i) Audible fire alarm circuits;

ii) Identification, of zone of fire;

iii) Automatic change, over from normal power supply

Q7. What do you understand by the terms Protocol, Amendments and convention? Describe the procedure for amendments to the regulation?

Q2. With reference to free fall lifeboat of an ocean-going ship:

A. Periodical maintenance, tests and checks on lifeboat and releasing gear.

B. Secondary means of lowering.

C.  Lifeboat Drills.

Q9. With reference to “ISM Code” write short notes on:

A. Objectives of the ISM code.                         B. Resource and Personnel.

C. Masters Authority and Responsibility.          D. Functional requirement for a safety management system.