DieselShip's Online Content Library

Q1. Considering that the engine room is the most common single space on board ships for fire to break out, discuss the merits and demerits of the following fixed firefighting systems: (20)

(a) Carbon dioxide

(b) Pressure water spray

(c) High expansion foam

Q2. Describe an emergency electrical power generating plant for use in the event of a complete failure of the main electrical power and make reference to -

a) Location (4)

b) Starting arrangements (4)

c) Fuel oil and its supply (4)

d) Cooling system (4)

e) Periodic attention required (4)

Q9. (a) State with reasons the essential requirements for unattended machinery spaces (8)

(b) With reference to a periodically unattended machinery space of a dry cargo vessel discuss the requirements for:

(i) Protection against flooding (6)

(ii) Control of propulsion machinery from the navigating bridge (6)

Q4. During the loading of a petroleum tanker, the incoming cargo forces out from the tank its previous atmospheric contents (air-vapour-inert gas).

Explain:

(a) The dangers of venting during the loading via open tank hatches (10)

(b) Why the pressure/vacuum valves is not used for venting (10)

Q5. (a) Describe the changes which take place within a lead-acid battery during discharge and when charging is taking place (10)

(b) What are the safety features you would find in (10)

(i) Paint store

(ii) Battery room

Q6. What are the various Annexes to the MARPOL 78 convention. Briefly state, what each one of the Annex signifies and the key regulations within each (20)

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)

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)

Q7. a) State the causes of scavenge fire in a two-stroke engine and explain how the possibility of such an occurrence can be reduced. (10)

b) If a Scavenge fire does occur what action should be taken? Discuss the use of CO2 and dry powder for extinguishing such a fire and describe a fixed installation for applying one of these substances. (10)

Q1. (a) In relation to International Load Line Convention, define Type 'A' and Type 'B' ships (10) (b) What is freeboard and how is it determined. Draw a line sketch of Load Line marks (10)

Q2. (a) How does the Selective Catalytic Reduction (SCR) system work? (10)

(b) If Selective Catalytic Reduction (SCR) has such an extremely high NOx reduction efficiency

why is it so rare in marine applications? (10)

Q3. a) Define enclosed space. Give examples of enclosed space on ships. (8)

b) What is the procedure for enclosed space entry, describe the same. (8)

c) What type of permit is required for entry into enclosed spaces and how is it issued. What is its validity. (4)

Q4. a) Explain why bunkering is considered a hazardous operation? What type of casualty can occur during bunkering? Discuss the implications of such incidents, if so happens. (10)

b) Name the bunkering procedure to be followed.

i) in preparation of receiving bunkers. (4)

ii) while receiving bunkers. (3)

iii) on completion of bunkering. (3)

Q5. a) What are the Sulphur limits for fuel in use under MARPOL? (5)

b) What happens if compliant fuel cannot be obtained in the port of bunkering? (5)

c) What if the Sulphur analysis resulting from a commercial analysis does not match the bunker delivery note? (5)

d) What are the timelines for installation of “in use” fuel sampling points on ships? Does it apply for existing ships? (5)

Q6. Write short notes on the following:

(a) EPIRB and SART (5)

(b) Hydrostatic Release Unit (HRU) (5)

(c) Pyrotechnics (5)

(d) Muster list indicating essential elements (5)

Q7. Enumerate the essential elements of ISM code. To what type of vessels, it is applicable. Describe various documents, certificates issued under this Code. State their validity and periodical audit and the issuing authorities (20)

Q8. a) What are the requirements of Emergency Source of electrical power as per SOLAS Convention as amended, in cargo ships? (6)

b) Name the services that are required to be supplied power from emergency source. (6)

c) What are the starting arrangements for emergency generating sets? (8)

Q9. How would you test the preparedness of your ship in anticipation of a Port State Control

(PSC) inspection, before arrival port in the following areas:

(a) Paint store and galley (4)

(b) Fire control station and CO2 room (4)

(c) Steering gear including chemical locker (4)

(d) Lifeboat deck (8)