Question on Maintenance and repair engineering at operational level(MREOL) meo class IV oral. (PART 1)

Maintenance and repair engineering at operational level (MREOL): Function 6

• Where are wear rings used? What is their purpose?

• Boiler gauge glass? Reflex type? Blow through procedure?

• ISSA code book?

• SG hunting gear?

• Axe blade? How fitted?

• Load test?

• SCBA pressure testing

• Welding surface preparation

• No water in GG ? What action

• Bilge pump not taking suction.reason? Process to find out location of hole in pipeline?

• Centrifugal pump clearances?How to measure wear ring clearance in vertically mouted centrifugalp/p?

• You are not aware of fire pump valve positions . Explain whole process of starting the pump, pre checks and post checks.

• Fire p/p stared with open or closed discharge? When is ampherage more ?

• Boiler blowdown process?

• Significance of intermediate valve.wear down of this valve called? -> wire drawing effect, What is wire drawing effects.

• Flaring tool

• What is an ermato joint?

• Why is a copper gasket annealed ?

• How will you supervise a lub oil Filter cleaning?

• What precautions have to be taken during cleaning of SW line filters?

• What is a Dead mans alarm

• What will be your action if your Reliever appears drunk

• Your oiler appears drunk. What is your action?

• Compound gauge?

• Method of blowing through gauge glass

• Pump shaft broken? Suggest epairs?

• What is Gear Back lash?

• What are different types of gears seen in ship?

• What is hunting tooth

• Why is gear oil different others?

• What are the different types of Taps and Dies?

• Why do you take Ullages? How do you calculate liquid quantity?

• What is VRF?

• What do you check up while opening piston?
• Soot blow procedure 
• Liner calib
• Centrifugal pump overhaul and full checks
• Purifier vertical shaft
• Purifier vibration
• Purifier overhaul checks
• Fwg starting procedure
• Why bypass valve present 
• Less vaccum reasons
• Diff types of test fr crack detection
• L.o. tests 
• What are the test u do onboard and explain them
• Refer charging 
• Gas charging procedure i said 
• How to purge 
• How to knw how much gas has gone inside the refer . 
• Air compressor valve parts.
• Framo pump full working and pressure
• Stripping process

• Leak detection

• Q closing valve operation? Why do you shut the valve again before opening?

• Start airline getting hot - what action?

• Draw a LS of ball bearing fitted on a shaft.

• What is a lip seal? Sketch

• Sketch a mechanical seal.

• Exhaust bellow sketch?

• What is a dresser coupling

• What is Bumping Clearance? How do you measure it?

• Why is a centrifugal pump started with its discharge valve shut?

• How will you align a pump to its motor?

• What checks will you make on a bottom end bearing bolt?

• How do you measure ovality of a crank pin?

• How does hydraulic tightening work?

• Why is the jack turned back a little while slackening?

• What will you check in UP space inspection?

• How will you do crankcase inspection?

• Shipside valve is leaking into E/R. What will you do?
•  How to choose gravity disc for purifier?
• Purpose of pairing disc & location?
• How purifier motor is coupled?
• Which gravity disc will be bigger for hfo or diesel?
• Purifier overflowing reasons & action?
• Centrifugal pump not taking suction reasons?
• How to find hole in suction line of centrifugal pump?
• How to check your pump is working Satisfactorily?
• 9.Centrifugal pump parts?
• Mechanical seal parts, material, how cooling done?
• How to start pump?
• Unloader of Air compressor not working, how to start compressor now?