Greenwood

GMA Candidate Peter
Examiner: M. Greenwood
Online exam – 23/09/2021
Result: Pass

1. General introduction – Previous ships. Propulsion type, engine stroke/bores power etc.
2. What would you look to take over as a 2nd engineer?
3. What is your understanding of ISM
4. You have a cadet onboard aged 17 what do you do with them with regard to MLC
5. What is your understanding of PMS systems? (Was looking for CMS)
6. Take me through the overhaul of a 2-stroke Piston beginning from two weeks prior to the job. (Asked specifically what angle the piston should be at when working on the lower end) got as far undoing the hydraulic bolts then:
7. Skipped onto what checks should be made on the cylinder liner.
8. What is TBN in oil?
9. What checks should be made on the piston.
10. What lifting gear do we use in the engine room and what checks are made on them.
11. Boiler safety valves have been removed and are in the workshop. What parts are checked and what for.
12. Safety valves are replaced on the boiler. The boiler survey is complete, and the boiler is ready to be closed up. How do you go about closing and filling the boiler and testing the safety valves?
13. Boiler water what do you test for and what are the allowable ranges?
14. What other alkalinity is checked other than P alkalinity?
15. How do you control these levels? What chemicals are added and why?
16. Bunker delivery notes, what is contained in them?
17. What are the current regulations on pollution from fuel. (Told him the SOx limits and SECA areas and mentioned fuel oil reporting)
18. Explain discrimination in electrical distribution.
19. There is an earth fault on the 220V switchboard. How do you locate it?
20. Why don’t you want two earth faults on separate phases?
21. Explain how electrical voltage is generated.
22. A large motor is started onboard, how does the AVR react.
23. Draw and explain a domestic refrigeration system.
24. What is the difference between the LP and HP pressure switches?
25. What are the reasons for a HP cut out?
26. Regarding MARPOL what annex is relevant to refrigeration. And what are the regulations?
27. Master reports that the rudder is behaving sluggishly what could be the reasons for this.
28. Exhaust temp is high in one unit of your engine. What is the reason for this?
29. What types of temperature sensor are there?