MEO CLASS 4 function 6b (oral question)

• Ref charging methods ,where is the point for charging ?
• where else u can have the point to charge the ref....explain the method???
• Ows how it works ? what principle ? why do u fill it with sea water ??
• Why a Purifier vibrate? What is there to control it ??
• Reason for purifier overflow
• Cyl head dcarb...what are the things u wil check? How wil u clean all passages?
• Comp running too much time what can be the reasons ?
• How will u start FWG...tel him that u start the sea water pump and tel him that u should wait till there is a good vacuum generated.... then only give jacket water feed slowly... dont create thermal stress...
• How to start purifier...??
• Draw the 4 ram steering gear and explain how it works ? how are the pumps controlled ?
• What is 100% redundancy ?
• Draw Viscothem and explain ? principle ?how it works ? what it controls ? is it fuel supply ???? It controls steam control valve to the heater

• Draw Boiler feed water line ...in which line is the feed water regulater ? is it in the main line or aux..
• Reason for 2nd stage compressor valve to lift
• bunker check list and procedure before bumkering
• All clearances in turbocharger
• All checks done in exhaust valve for both 2s and 4s engine (spindle ,valve seat............)