Synergy questions
27.layout of a main engine and it’s parts
28. electrical symbols
29. valve symbols, valve overhaul and it’s parts
30. emergency circuit board it’s parts and significance
31. centrifugal pump parts identification and checking during overhaul
32. achievement except studies
33. model making
34. piston lubrication and timing diagram
35. types of scavenging and their benefits
36. modifications in ships in modern times
37. ballast water management

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