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