COMPETENCE 8 – Appropriate Use of Hand Tools, Machine Tools and Measuring Instruments for Fabrication and Repair on Board
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#1. If the main propulsion diesel governor works irregularly with a jerking motion, a possible cause can be:
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#2. If your ship burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 21 knots?
Incorrect!
#3. If the thimble of a micrometer were turned through one complete revolution, the micrometer would open or close by a linear distance of:
Incorrect!
#4. The number of screw threads per inch for a Standard National Coarse 1/2 inch bolt is:
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#5. If your ship burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 20 knots?
Incorrect!
#6. Tapping threads into a blind hole should be finished by using a:
Incorrect!
#7. Persistent knocking in one cylinder of an eight cylinder diesel engine would MOST likely be caused by.
Incorrect!
#8. If your ship burns 3 tons of fuel per hour at 19 knots, how many tons per hour will it burn at 15 knots?
Incorrect!
#9. If your ship burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 18 knots?
Incorrect!
#10. If your ship burns 5 tons of fuel per hour at 23 knots, how many tons per hour will it burn at 18 knots?
Incorrect!
#11. In terms of linear measurement, approximately how many “inches” equal one “meter”?
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#12. Lube oil contamination will increase due to normal wear of engine components as a result of:
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#13. If your vessel burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 19 knots?
Incorrect!
#14. The characteristic of a good quality lubricating oil for use in any machinery should be:
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#15. The blade for a power hacksaw should be installed with the teeth:
Incorrect!
#16. If your vessel burns 4 tons of fuel per hour at 21 knots, how many tons per hour will it burn at 16 knots?
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#17. If your ship burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 22 knots?
Incorrect!
#18. Leakage over the ends of the blade tips, as a result of the pressure differential between each row of blades in a reaction turbine, can be reduced with a blade design known as.
c
#19. Safety valve gags should only be installed hand tight in order to prevent:
Incorrect!
#20. If your ship burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 19 knots?
Incorrect!
#21. The chemical analysis of an oil sample taken form the main propulsion machinery indicates a report of an increase neutralization number, you should be aware that:
Incorrect!
#22. How many BTUs must be added to one pound of water at 32°F to raise the temperature to 212°F?
Incorrect!
#23. If a centrifugal pump vibrates and is noisy when operating, the cause could be:
Incorrect!
#24. If a stateroom has a 6" by 12" opening through which air travels at 100 feet per minute, what is the volume of air being supplied to the stateroom?
Incorrect!
There are 24 questions for the actual examination for Competence 8 for OIC-EW with a passing rate of 70%. This means that you are only allowed to make 7 mistakes.
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