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Q3. The fire protection provided for the propulsion motor and generator of a diesel electric drive vessel is usually one of the following methods:

a. Fixed foam extinguisher;                   b. Fixed CO2 system;

c. Steam smothering system;                 d. Dry Chemical Powder.

Briefly state in a comparative analysis, how each one of these methods has some disadvantages when used with propulsion system as stated above.

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.

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.

Q7. Which legislation is framed at preventing the emission of black smoke, sets the limits on the length of time of such emission?

A. Discuss the reasons for setting time limits rather than imposing a complete ban on emission

B. State why different times are quoted, giving examples.

C. State the likely constituents of black smoke from the combustion of residual fuel in a boiler.

D. List the contaminants likely to be found in the clear exhaust from a diesel driven alternate burning gas.

Q5. With reference to an oil/water separator:

A. (i) Sketch such a device; (ii) Describe the passage of oil/water mixture from the delivery of pump to the outlets of separator.

B. State how oil density and temperature affect the case of separation of oil from water.

C. State how the movement of oil on board ship or its discharge and the discharge of oily-bilge ballast water overboard is recorded.

Q4. Name various statutory Certificates and Documents to be carried on board Gas Tanker giving reference to the conventions and justify for their requirement. (20)

Q3. Explain the principle of port State control and give in detail the verification the Port State Control Officer may carry out with particular reference to the following;

A. Emergency generator; B. Auxiliary steering gear; C. Lifeboat engine; D. Bilge pumps; E. SOPEP.

Q6. A. Explain the principles underlying the STCW Convention;

B. Explain how as a senior engineer you would implement the regulation for controlling and monitoring of minimum hours of rest for watch keepers;

C. What type of specific shipboard familiarization is required to be given to a seafarer new to a particular type of vessel?

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.