COMPETENCE 1 – Maintain a Safe Engineering Watch
Results
Congratulations! Share the result.
Try again. There is always a chance. Review the results.
#1. A piston is said to be at top dead center when it is:
Incorrect!
#2. A diesel engine cylinder has a swept volume of 130.5 cubic inches and a clearance volume of 9.0 cubic inches at top dead center. What is the compression ratio of the engine cylinder?
Incorrect!
#3. A diesel engine cooling water system with a pH factor of 3.0 indicates a condition of:
Incorrect!
#4. A diesel engine indicator diagram measures 12.5 cm in length and has an area of 22 cm2. What is the cylinder mean effective pressure if the spring used has a scale of 1.25 mm equals 1 kg/cm2?
Incorrect!
#5. A diesel engine cylinder has a swept volume of 104 cubic inches and a clearance volume of 8 cubic inches at top dead center. What is the compression ratio of the engine cylinder?
Incorrect!
#6. A compound Bourdon tube type pressure gage is capable of measuring:
Incorrect!
#7. A diesel engine indicator diagram has an area of 22 cm2 and a length of 12.5 cm. If the scale of the indicator spring is 1 mm = 1 kg/cm2, what is the cylinder mean effective pressure?
Incorrect!
#8. A diesel engine cylinder has a swept volume of 135 cubic inches and a clearance volume of 10 cubic inches at top dead center. What is the compression ratio of the engine cylinder?
Incorrect!
#9. A fuel tank on your vessel is 20 feet high, 20 feet long and 20 feet wide. If it is filled 100% with fuel having an API gravity of 35.7 at a temperature of 60°F, how many long tons of fuel are in the tank?
Incorrect!
#10. A closed freshwater cooling system is commonly used with marine diesel engines because the:
Incorrect!
#11. A hole should be made in the sagged tube occurring in a water- tube boiler, prior to plugging the tube to prevent a.
Incorrect!
#12. A bendix drive starting motor disengages the drive gear from the flywheel by:
Incorrect!
#13. A diesel engine cylinder has a swept volume of 125 cubic inches and a clearance volume of 10 cubic inches at top dead center. What is the compression ratio of the engine cylinder?
Incorrect!
#14. A fuel oil tank pneumercator will give an inaccurate reading if the:
Incorrect!
There are 14 questions for the actual examination for Competence 1 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.
