Q1. With reference to an ILO notices on health hazards from asbestos: A. State where asbestos may be found on board on ship; B. State the health risks from asbestos; C. Outline the precautions necessary to minimize exposure it asbestos during an emergency repair.
Q2.a) State the circumstances that may lead to hollow rudder becoming flooded.
b) Describe how flooding of the rudder may become evident when a vessel is on Passage.
c) Describe the procedure for:
(i) Rudder examination:
(ii) Rudder repair:
Q3. State the regular routines carried out on the following system: A. CO2, total flooding system of engine room; B. Smoke detection system; C. Sprinkler system.
Q4. Enumerate the probable causes of crankcase explosions and give a general description of a system designed to detect the presence of an explosive mixture in a crankcase? What routine attention such systems require to prevent malfunctioning.
Q2. With reference to safety valves fitted to waste heat boilers: A. State with reasons the areas which should receive particularly close examination during a survey inspection; B. Describe the procedure you, as Second Engineer would adopt when setting such valves at sea; C. State the procedure to be adopted when reporting the setting of a waste heat boiler safety valve, to a classification society.
Q1. With regard to the main turbine lubrication oil system:
a) (i) Describe the effects of tin oxide corrosion; (5)
(ii) Explain the actions to be taken if this occurs in a high-pressure turbine thrust bearing. (5)
b) Discuss the factors that determine the various filtration sizes: (6)
Q6. You have opened up a main sea-water circulating pump (centrifugal type) onboard your vessel for examination and overhaul, describe the checks you would make, and state your conclusion regarding any faults found.
Q3: State how safety is achieved with regard to gas emission in battery rooms where a large number of lead acid cells are stored with reference to - A. Provision of lighting; B. Ventilation if a fan is fitted; C. Type of distilled water container for topping up; D. Use of tools and replacement of defective batteries.
Q9. Describe how a vibration measurement can be used with a min engine turbo-charger – A. Fault Analysis; B. For condition monitoring for maintenance; C. As a substitute to opening up machinery for survey.
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