22 . enclosed space entry
23.purifier vibration reason
Function 4b n 6
26.How differ metric thread, BSP and national thread i.e. American thread?
27.How to place order for stud?
28.What is hydrazine why use it? what other precaution than this for feed water system?
29.How to check strength of bolt?
30.What happens in purifier when desludging water opens? How it get seat? (I told because of centrufugal force but not convinced)
31.How nitrite chemical protects in jacket water cooling system? what it protects?
32.Generator engine big end bearing worn out of one unit reasons?
33.Fuel pump timing is advanced effects?
34.2 stroke timing diagram and corresponding Indicator diagram
35.Fuel injector pressure test
Fuel pump of aux engine supply pressure
36. stern tube diagram
37. 4s vlve timing md wat if turbocahrged nd overlap how much
38.refrigeration diagram 4) explain unloader
39. how to inceease fuel p/p timing in ae fuel p/p
40. exhaust temp of one unir is high wat are the reasons
41. Turbochrnger surging in me
42. Purifier ovwrflow reasons.