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6th March 2017 Singapore Latest Oral Questions Asked by David Sir
#1 Posted : Saturday, March 11, 2017 7:29:53 PM(UTC)
Rank: Advanced Member

Groups: Registered
Joined: 9/6/2013(UTC)
Posts: 64
Location: Punjab

Was thanked: 14 time(s) in 11 post(s)
06 March 2017
Mr David
1.Draw boiler gauge glass and explain how to do gauge glass blowdown safely.
Cross questions: material and checks of drain pipe, steam water valve diagram, different blowdown result scenarios and actions.
2. Draw bilge diagram for all conditions of bilge.
Cross question: What type of bilge pump and draw it? Bilge ejector use and working.
3. Draw SDNR valve. Explain working.
4. Draw OWS cross section and associated piping.
Cross question: Use of Siphon,working of ODMS, starting procedure
5. Draw a domestic refrigeration circuit. Explain short cycling and its reasons. Name the refrigerants currently used onboard.
Cross question-Various faults and rectifications.
5. Explain how to conduct crankcase inspection. Also draw parts and show him where to do what inspection.
6. Name the safety features of crankcase.
7. What is crankcase explosion? How to prevent it?
8. What are the MSB safeties? Explain each one.
9. Draw the fixed fire fighting system of your ship.
Cross question: Use of master valve, daily checks of CO2 room, location of air valve in CO2 line.
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