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Q8. A. Describe the precaution necessary during the initial running-in of an Auxiliary Engine run on which is newly installed or has a major overhaul; B. Explain the possible causes of oxidation of lubricating oil.  C. State the frequency with which oil samples should be taken for analysis.

Q5. A. Describe briefly the operation of an electrical or hydraulic main engine governor B.  For the type described indicate how failure can occur and the action to be taken if immediate correction cannot be achieved and the engine must be operated.

Q6: With reference to Turbo-Chargers;

A. Explain why when surging occurs, the speed off the turbocharger is seen to change slightly;

B. Give examples of defects likely to result in surging;

C. Explain in simple terms what occurs in a turbocharger and the diesel engine as the speed / power increases. Based on the explanation what is meant by matching of T/C with an engine?

D. State the advantage of fitting uncooled turbochargers.

Q3. As second engineer you have been requested to obtain a set of indicator card from the large slow speed engine of a recently purchased second hand ship.

A. Describe your initial checks and preparations;

B. State with reason the types of card you would consider necessary and explain the procedure for obtaining these;

C. State in order of importance the additional information required with the card;

D. State your procedure for analysis of the cards and obtaining cylinder powers.

Q2. During a routine crankcase inspection a main engine top end bearing is found to be wiped and subsequent inspection shows that the pin is badly scored.

A. Explain in detail the action which should be taken to enable the engine to be safety operated so that the vessel may reach a port where effective repair facilities are available.

B. State with reasons the factors which influence the speed at which the engine may be safely operated.

Q1. With reference to a particular make of main propulsion unit, describe how the engine is reversed manually and discuss the problems involved and the safety precautions which would be required if the control were operated remote from the machinery space.