Q5. (a) Name the safety devices fitted on 2 Stage air compressors on ships. Explain their functional purpose as well as location of fitment, using a schematic diagram. (12)
(b) State the maintenance and checks carried out periodically in order to keep them efficient. (4)
Q5. To achieve the optimum performance from a main air compressor, describe the routine maintenance necessary on the following components.
a) unloader. (4)
b) Air intake filter (4)
c) Suction/Discharge valves (4)
d) Intercoolers (4)
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