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Q2. (a) What are the causes of an uptake fire? (6)

(b) State the conditions under which light soot fire, intensifies to a high temperature fire in boiler uptake. What temperatures are produced in each case. (6)

(c) How boiler uptake fire is controlled? Why the use of soot blowers is prohibited? (8)

Q3. With respect to MLC 2006; write short notes on following

(a) Hours of Rest/Hours of Work. (5)

(b) DMLC Part 1 and DMLC Part II (5)

(c) On board complaint redressal (5)

(d) Why is MLC 2006 considered as the ‘bill of rights’ (5)

Q4. a) Sketch and describe the working of a Sprinkler type, automatic fire detection and firefighting system on ships, labelling it components in the circuit (10)

(b) What maintenance is required periodically? State the routine tests required? (10)

Q5. Write short notes on following:

(a) Flammability diagram and its significance (10)

(b) Risk assessment: why and how it is carried out on ships with examples (10)

Q2. i) What is Ozone depletion and what are its effects? (5)

ii) Name the gases which have ozone depleting potential and how ODP is classified. (5)

iii) What actions are now in place to control the usage or accidental release of such gases. What recordkeeping is essential? (10)

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)

Q8. (a) Sketch a simple line diagram showing a shipboard oily water separator in series with a coalescing second stage. (10)

(b) Briefly describe the above arrangement and its operations also state the allowable oil content in p. p. m. of the discharge effluent from such an arrangement. (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)