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Thursday, October 18, 2012

SOME COMMON CLASS 2 COC ORAL EXAM QUESTIONS FOR STUDENTS APPEARING IN SINGAPORE

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1.                  L.O. graphs given – analysis – cause and action.
2.                  Generator performance analysis.
3.                  4 stroke engine – fuel injection late, how you will understand? – Causes
4.                  Draw v/v controlled fuel pump – how it may cause late injection?
5.                  Port controlled fuel p/p how you will check timing and how to adjust timing?
6.                  Effect of insufficient tappet clearance.
7.                  Draw steering gear system.
8.                  Rudder movement sluggish – reasons.
9.                  Draw cargo ship cross section.
10.              What is MARPOL? What are the annexes? What are the new two?
11.              Can you pump out bilge in special area? What are the conditions?
12.               What will you do with Engine Room oily rags? Garbage regulation?
13.              What item to be recorded in ORB. How to make entry? Who sign?
14.              What to be done with dunnages, lining and plastic?
15.              Fuel booster pump to be opened at sea. What safety instruction to be given to 4/E.
16.              Draw a CO2  total flooding system. What is the maintenance? What to check at the control box alarm system? How to blow thru the line?
17.              Grounding – action according to contingency plan, what 2/E responsibility? Why grounding is a big problem for engineers?
18.              Boiler tube leakage – How to repair?
19.              Burner type. How it operates?
20.              What is the function of self-closing weight cock?
21.              Draw emergency distribution system. What are the supplies?
22.              Draw Boiler flapper nozzle water level controller. Describe how it operates.
23.              Why confined spaces are hazardous? How to make entry? Who sign checklists?



1.                  Draw steering gear system.
2.                  Generator performance analysis.
3.                  L.O. graphs given – analysis – cause and action.
4.                  Boiler corrosions – how many? How to prevent – Reaction.
5.                  Burner type. How it operates?
6.                  Stress on ships. Panting – how to prevent?
7.                  Scavenge fire.
8.                  Grounding.
9.                  Heat treatment – types in details.
10.              Battery – Lead acids – Alkaline – Differences. Lamp – Flame Proof? Alkaline battery – precaution.
11.              Ex-P, Ex-D, Ex-I?
12.              Draw deck machineries.




1.                  Crankcase inspection. Check for chain transmission, how to adjust?
2.                  Draw steering gear system.
3.                  Generator performance analysis.
4.                  Rudder movement sluggish – reasons.
5.                  Paralleling of generators – after that one trips. Causes?
6.                  Materials.
7.                  Bulkhead types – Collision, aft peak, w/t bulkhead?
8.                  Boiler corrosions, types – O2 corrosion – reactions?
9.                  OMD + high exhaust temp. Simultaneously - actions?
10.              Draw keels – types of keels, types of welding used, welding material?



1.                  Draw steering gear system.
2.                  Boiler – economizer – connections? Safety v/v setting – economizer – why?
3.                  Draw safety v/v – where d/4 clearance?
4.                  Tube leakage – how to identify?
5.                  Electrochemical corrosion – sketch.
6.                  Containers cross-section, torsion box.
7.                  Scavenge fire – cause, indications, and inspections.
8.                  Electricity – Earth fault indication – fault finding.
9.                  Fire detectors – types?
10.              Steering gears regulations.
11.              Grounding – action according to contingency plan.
12.              Material – annealing, normalizing. Hardening - what is this? What steel? Which part?
13.              Refrigeration – draw system, what to charge?



1.                  Generator performance analysis.
2.                  Draw steering gear system.
3.                  Steering gear – Emergency check interval (SOLAS).
4.                  Rudder movement sluggish – reasons.
5.                  M/E bearing checks – inspection.
6.                  Burner type. How it operates?
7.                  Scavenge fire – cause, indications, and inspection

1.                  Draw steering gear system.
2.                  Generator performance analysis.
3.                  Boiler – economizer – connections?
4.                  Safety v/v setting – what is the pressure?
5.                  Exhaust gas boiler pressure lower than main boiler – if higher then what happen?
6.                  Draw cargo pump all lines
7.                  Vacuum drop – Why?
8.                  Draw - Steam operated deck machinery.


1.                  Draw steering gear system.
2.                  Generator performance analysis.
3.                  Containers cross-section, torsion box – design features?
4.                  Draw Electrical distribution system.
5.                  Draw emergency battery charging circuit.
6.                  Battery room location – safety as per SOLAS.
7.                  How is rudder supported?
8.                  How to take rudder carrier bearing clearances?
9.                  Assemble rudder carrier bearing with rudder.
10.              Classes of bulk head, where to use?
11.              How many types of burner? How many types of pressure jet burner?
12.              How to control combustion in spill system?
13.              How to improve TDR in spill type burner?
14.              Draw spill type burner – working principle.
15.              Types of corrosions.
16.              What is electrochemical corrosion – equations?
17.              How to minimize scaling formation and corrosion – equations.

1.                  How VIT works? Draw and explain.
2.                  Difference between MAN B&W and Mitsubishi engine?
3.                  Exhaust v/v cam not shifting – reasons?
4.                  How many types of burner? How many types of pressure jet burner?
5.                  How to improve TDR in spill type burner?
6.                  Generator performance analysis.
7.                  Rudder movement sluggish – reasons.
8.                  Crankcase inspection.
9.                  Draw Bulk carrier – cross sections.
10.              Draw air compressor – cross sections.
11.              Air compressor filter chocked – why?
12.              Inter-cooler relief v/v blowing – problems?
13.              Draw boiler combustion for pressure jet burner.
14.              M/E safety device.
15.              M/E all trips and alarms.
16.              Difference between relief v/v and safety v/v?
17.              Boiler trip – what are the possibilities?
18.              Boiler – High/low level alarms checks?
19.              Statutory certificates?
20.              Load line certificates – How many years? Prepare ship for load line survey.
21.              Safety construction certificate?


1 comment:

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