DieselShip's Online Content Library

Q1. The vessel of which you are 2nd engineer suffers grounding. Describe the survey and inspection which you will carry out at the next dry docking of the vessel in a foreign port.

Q6. A. Sketch and describe the construction and operation a life boat which handbrake and centrifugal brake. B. What maintenance do the brakes require? C. At what lowering velocity does the centrifugal brake operate?

Q5: A. Give three reasons why cracks occasionally develop in large piston crown. State to what extent this cracking is considered of consequence; B. State how it is dealt with in the following instances - Fine hairline; Localised and shallow crack,

Q7. Describe an air receiver and explain clearly the purpose of the mounting. State the defects which may develop and explain the precaution which should be taken to minimize the possibility of deterioration OR damage of air receiver

Q7. A. Describe the survey procedure of an oil lubricated stern bearing and shaft. B. Explain how the integrity of the outboard seal of an oil lubricated stern tube may be proved before the dry-dock is flooded.

Q2. A). Describe the overhaul of a boiler safety valve and explain using sketches where necessary those parts which require particularly close attention;

B). Describe the setting of boiler safety valve to comply with classification society requirements.

Q7: With reference to hydraulic cargo handling system -  State 4 possible cause of contamination of the oil; State 4 possible effect of the oil contamination on the system; State how the system oil may be monitored for contamination. Contamination of oils; Water promotes rusting of steel and must be excluded from hydraulic systems.

Q8: Give reason for each of the following Excessive high pressure at compressor discharge, Suction pressure too low; Continual starting and stopping of the compressor runs continuously Compressor abnormally noisy

Q6.  With reference to the adoption of unmanned machinery spaces describe routine maintenance on Automatic control and alarm systems to deal with - High bilge level; Fuel oil tank overflow; Bearings overheating; Fire detection