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Q1. (a) Under which all circumstances, drydocking of a vessel is required. (8)

(b) What all repair and maintenance works are expected to be carried out in Dry Dock? (8)

Q2. (a) Describe with suitable schematic diagrams inspections and checks to be conducted on Tail Shaft, highlighting areas to be attended. (10)

(b) Describe the procedure for repair in way of shaft CONICAL AREA. (6)

Q3. Explain in detail how you would isolate one section of a water sprinkler system for routine maintenance. Describe all tests and inspections you would make and how you would return the system to service. (16)

Q4. Describe a procedure for cylinder liner calibration indicating how the readings are recorded to allow for easy recognition of liner wear. (16)

Q5. (a) State, with reasons, the causes of fatigue cracking of engineering components. (4)

(b) State, with reasons, how material and design defects can influence fatigue life. (6)

(c) With reference to engine bed plate transverse girders explain how the incidence of fatigue cracking can be minimized. (6)

Q6. (a) Describe different components used in soldering process. (6)
(b) Describe soldering process in detail. (6)
(c) What are Do's and Don'ts for good soldering joint. (4)

Q7. Describe the following turbocharger cleaning operations.
(a) Turbine side water washing. (6)
(b) Turbine side Dry Cleaning. (5)
(c) Blower side water washing (5)

Q8. (a) Describe maintenance required on auxiliary boiler burner. (8)
(b) Describe safety features provided on fuel burning system of auxiliary boiler (8)

Q9. (a) Describe what would be the indications of crank case explosion in main engine. (4)

(b) Describe actions to be taken, if there is crank case explosion in main engine. (8)

(c) Describe means of prevention of crank case explosion. (4)