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

Q3. With reference to SOLAS Ch-XII (Additional safety measures for bulk carriers);

A. Damage stability requirements for bulk carriers;

B.  Structural requirements for bulk carriers;

C. Water ingress alarms.

Q3. What are the various stages of fire in the exhaust gas boiler? Discuss the factors responsible for ignition and development of ignition of soot, small soot fires and high temperature fires.

Q4. How will you prepare your vessel (Oil tanker) for international oil pollution prevention certificate renewal survey?

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?

Q7. With reference to fire smothering agents explain as to why:

A. Effectiveness of foam is directly related to its degree of effervescence and surface tension? (7)

B. Low expansion foam is best suited for use against localized fire, whilst high expansion foam is most effective in major conflagrations?        (7)

C. In the absence of foam appliances, water jets can be effectively used against oil fires? (5)

D. Explain how a mixture of foam making compound and sea water are converted into foam (5)

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

Q4. (a) Describe the operating mechanism for a watertight door, which has provision for remote closure from the bridge and local operation.

(b) State the source of power for closure of electrical and the source of power for alarm and indicator.