COMPETENCE 9 – Maintenance and Repair of Shipboard Machinery and Equipment
Results
Congratulations! Share the result.
Try again. There is always a chance. Review the results.
#1. 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!
#2. 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!
#3. 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!
#4. If your vessel burns 4 tons of fuel per hour at 21 knots, how many tons per hour will it burn at 16 knots?
Incorrect!
#5. Fuel oil day tanks for diesel engines must be checked and cleaned at regular intervals in order to remove.
Incorrect!
#6. Hydraulic pumps most commonly used in steering systems are of the:
Incorrect!
#7. 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!
#8. 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!
#9. How many BTUs must be added to one pound of water at 32°F to raise the temperature to 212°F?
Incorrect!
#10. If a centrifugal pump vibrates and is noisy when operating, the cause could be:
Incorrect!
#11. 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!
#12. 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!
#13. Excessive lube oil consumption can result from worn or broken:
Incorrect!
#14. If the main propulsion diesel governor works irregularly with a jerking motion, a possible cause can be:
Incorrect!
#15. 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!
There are 15 questions for the actual examination for Competence 9 for OIC-EW with a passing rate of 70%. This means that you are only allowed to make 4 mistakes.
DISCLAIMER
The questionnaires contained in this “reviewer” are extracted from the post released by MARINA on their official website and other review materials. Please note that Seaman Kowts is not affiliated with, endorsed by, or connected to the official website of MARINA. The information provided on this website is for general informational and educational purposes only and should not be relied upon as official or authoritative. If you require official information or services, please visit the official website or any relevant review center. We do not assume any responsibility or liability for any consequences resulting from the use of information or services provided on this website.
