COMPETENCE 8 – Appropriate Use of Hand Tools, Machine Tools and Measuring Instruments for Fabrication and Repair on Board
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#1. Which of the wrenches listed is least likely to slip off a bolt head or nut?
Incorrect!
#2. The purpose of an oil mist detector in a main propulsion diesel engine is to warn of:
Incorrect!
#3. To prevent vibration damage to the fuel supply line of a diesel engine, you may use:
Incorrect!
#4. Which of the following problems may occur if the clearance between a piston and cylinder liner is insufficient?
Incorrect!
#5. Tubing is sized by:
Incorrect!
#6. Which material can be drilled at the highest speed?
Incorrect!
#7. Which drill size would you use to machine and tap a 3/4 -10 National Coarse internal thread?
Incorrect!
#8. Which of the listed devices could be used as a ring groove cleaning tool during preparation for the installation of new rings if a piston ring cleaning tool was not available?
Incorrect!
#9. The welding symbol reference line using the inverted “V”, indicates:
Incorrect!
#10. Which of the listed tools should be used to remove a tapered roller bearing from a shaft?
Incorrect!
#11. When using a hand held hacksaw the correct maximum rate of speed for cutting should be:
Incorrect!
#12. When working around deck machinery it is a good safety practice to avoid standing in a „bright‟ of a rope because:
Incorrect!
#13. Which of the files listed can be used for sharpening a tool?
Incorrect!
#14. Which of the listed metals can usually be drilled without lubrication?
Incorrect!
#15. What is the theoretical lift of a pump handling fresh water at atmospheric pressure?
Incorrect!
#16. The open-end wrench size for a standard 3/4 inch American National hex head bolt is:
Incorrect!
#17. Which practices should be followed at all times when using an electric bench grinding machine?
Incorrect!
#18. Which of the following listed pressures is the maximum acetylene gas pressure that can be safely used in gas welding?
Incorrect!
#19. The open end wrench size for a 3/4 inch American National Standard hex head machine bolt is:
Incorrect!
#20. Which pipe listed has the largest outside diameter?
Incorrect!
#21. The steam coils in a high pressure evaporator used for saltwater service should be descaled with:
Incorrect!
#22. When welding or burning with an oxygen-acetylene working pressure must not:
Incorrect!
#23. The seat of a butterfly valve will most likely be constructed of:
Incorrect!
#24. Which of the following problems is the main source of fuel pump and injection system malfunctions?
Incorrect!
#25. Which of the listed numeric values represents the smallest size drill?
Incorrect!
#26. Which of the files listed will have coarsely spaced teeth?
Incorrect!
#27. To obtain a 1/2 inch per foot taper on an 18 inch work piece, the tailstock of the lathe must be set over:
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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