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How to sharpen a blade in the field
Contributed by: Roe
  • 1. What is the primary purpose of sharpening a blade in the field?
A) Adding weight
B) Increasing its value
C) Making it look new
D) Maintaining cutting efficiency
  • 2. Which of these is NOT a common field sharpening tool?
A) Diamond hone
B) Bench grinder
C) Pocket stone
D) Ceramic rod
  • 3. What angle is generally recommended for a general-purpose knife edge?
A) 45-50 degrees
B) 70-75 degrees
C) 5-10 degrees
D) 20-25 degrees
  • 4. What is the first step in sharpening with a whetstone or pocket stone?
A) Apply pressure
B) Start with the finest grit
C) Lubricate the stone
D) Find the burr
  • 5. What does 'creating a burr' refer to in sharpening?
A) A smooth, polished edge
B) A chipped section of the blade
C) A thin wire edge formed on the opposite side
D) A rough patch on the stone
  • 6. How do you remove the burr?
A) Alternating strokes, lighter pressure
B) Scraping it off
C) Heavy pressure on one side
D) Ignoring it
  • 7. What is the primary benefit of using a strop?
A) Polishing the edge
B) Strengthening the blade
C) Sharpening the edge
D) Removing rust
  • 8. When using a sharpening steel, what is the correct motion?
A) Striking the blade against the steel
B) Drawing the blade across at a consistent angle
C) Holding the blade still and moving the steel
D) Pressing hard and sawing back and forth
  • 9. What type of lubrication is best for a sharpening stone?
A) Honing oil or water
B) Cooking oil
C) No lubrication
D) Motor oil
  • 10. What is the 'paper test' used for?
A) Measuring the angle
B) Cleaning the blade
C) Checking sharpness
D) Lubricating the stone
  • 11. If you're using a two-sided stone, which grit do you start with for a dull blade?
A) Coarse grit
B) Doesn't matter
C) Medium grit
D) Fine grit
  • 12. What is the best way to clean a sharpening stone?
A) Just wipe it off
B) With water and a brush
C) With a metal scraper
D) With sandpaper
  • 13. What should you do after sharpening to maintain the edge?
A) Store it wet
B) Hit it against something hard
C) Nothing
D) Strop the blade
  • 14. What is the advantage of a diamond sharpening stone?
A) They are self-lubricating
B) They never wear down
C) They are very inexpensive
D) They sharpen very quickly
  • 15. When is it appropriate to use a ceramic rod?
A) For reprofiling a blade
B) For rough sharpening
C) For honing and maintaining an edge
D) For removing rust
  • 16. What does 'honing' primarily do?
A) Straightens and refines the edge.
B) Adds a protective coating to the blade.
C) Changes the blade's overall angle.
D) Removes large chips from the blade.
  • 17. What is a good safety practice when sharpening a knife?
A) Sharpen quickly
B) Sharpen while distracted
C) Use excessive force
D) Keep fingers away from the blade's path
  • 18. How does the hardness of the steel affect sharpening?
A) Softer steel holds an edge longer
B) Hardness doesn't affect sharpening
C) Harder steel takes longer to sharpen
D) Harder steel is easier to sharpen
  • 19. What should you do if your sharpening stone becomes clogged with metal filings?
A) Clean it with oil and a brush
B) Ignore it
C) Use sandpaper
D) Throw it away
  • 20. What is the purpose of using a guide when sharpening?
A) Making the blade stronger
B) Speeding up the process
C) Maintaining a consistent angle
D) Cleaning the blade
  • 21. Which of the following describes a convex edge?
A) Flat grind with a sharp angle
B) Concave or hollow grind
C) Serrated edge
D) Rounded profile from spine to edge
  • 22. What is the main advantage of a serrated blade?
A) Easy to sharpen
B) Good for cutting fibrous materials
C) Holds an edge longer than a plain blade
D) Ideal for carving wood
  • 23. How do you sharpen a serrated blade?
A) Using a strop
B) Using a flat sharpening stone
C) Using a sharpening steel
D) Using a conical or triangular file
  • 24. What is a common sign that a blade needs sharpening?
A) It is shiny and reflective
B) It slips or requires excessive force to cut
C) It is perfectly straight
D) It feels warm to the touch
  • 25. What does 'reprofiling' a blade mean?
A) Changing the angle of the cutting edge
B) Cleaning the blade
C) Polishing the blade
D) Straightening a bent blade
  • 26. What is the correct direction to move the blade across the sharpening stone?
A) Back and forth
B) Towards the edge
C) Away from the edge
D) In a circular motion
  • 27. What does TPI stand for concerning saws and files?
A) Teeth per inch
B) Tension per inch
C) Turns per inch
D) Thickness per inch
  • 28. Which of the following is best for creating a razor sharp edge?
A) Skipping grits
B) Applying excessive pressure
C) Using progressively finer grits
D) Using only the coarsest grit
  • 29. What is the recommended pressure to use when sharpening?
A) Light to moderate pressure
B) Pressure that bends the blade
C) Very heavy pressure
D) No pressure at all
  • 30. After sharpening a knife, what is the best way to store it?
A) In a sheath or block
B) Soaked in water
C) With the blade exposed
D) Loose in a drawer
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