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Q5. With reference to MEPC 76, the combined technical and operational approaches to improve energy efficiency of ships and GHG reduction measures, explain the below mentioned new requirements.

(a) Energy Efficiency Existing Ship Index (EEXI)

(b) Carbon Intensity Indicator (CII) and CII rating.

Q8. With reference to activated fin stabilizers give reasons why:

(a) For large vessels such units are preferred to passive tanks; (6)

(b) These units are preferred for passenger and fast cargo ships; (6)

(c) Partial rather than maximum damping of ship movement in heavy weather is advisable for reasons other than overstressing of fin stocks and activating gear. (8)

Q3: A new instrument by IMO for the Control and Management of ships Ballast Water and sediments’ will be in force in the near future. In relation to this discuss the following;

A. The need for such a convention

B. What are the options available for treatment of Ballast Water, and the methods being used presently?

C. What are the responsibility as a flag State and port State?

D. What is current status of the IMO BWM convention ratification and what is included in the certification and type approval process?

Q1. A. What are the general requirements of fixed gas fire-extinguishing systems for shipboard use? B. What are the specific requirements related to CO2 systems with respect to quantity, piping, controls and volume of free CO2

Q4. A. With reference to shipboard sewage systems, Describe the principle of operation of EACH of the following types - I. Flow through system; II. Collection / Holding / transfer system; III. Zero discharge system. B. I. Explain why sewage systems involving aerobic action are to be preferred to those with anaerobic action. Aerobic Action: II. Explain the meaning and significance of the term Biological oxygen demand.

Q4. Fire protection for the accommodation spaces of passenger vessels incorporates means of detection, fighting and containment to reduce the spread of any fire.

A. Describe the means of detection and firefighting commonly installed;

B. State how the spread of fire is prevented and how the containment is used with the firefighting and detection arrangement to locate the fire.

Q7. With reference to SOLAS ch – XII write short notes on: A. Emergency towing arrangement on tankers; B.  Safe access to tanker bows; C. Safe access to cargo holds, cargo tanks; D. Protective coatings of ballast tanks.

Q1. A fire in the exhaust gas boiler on a motor ship may develop in two or three stages. With reference to such situations; discuss: A. The factors which could be responsible for initiation and development of: i) Ignition of soot; ii) Small soot fires; iii) High temperature fires; B. State the standing instruction you, as Second Engineer Officer, would issue to watch keepers with respect to the action to be taken in the event of a boiler uptake fire.

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