Answer Key: Self-Test B-2.1

  1. Portable Power Drive
  2. Portable Power Drive
  3. d. Raising or lowering the base
  4. c. Tilting the base
  5. b. Very brittle
  6. d. Masonry products
  7. b. Speed of rotation
  8. c. ½ in. drills
  9. a. True
  10. d. Shank
  11. a. #1
  12. a. Auger bit
  13. Air or pneumatic tools are operated by compressed air supplied by an air compressor.
  14. a. True
  15. They are not of a strong enough design to absorb the tremendous forces generated.
  16. Impact wrench sizes are designated by the size of the drive on the nose of the tool.
  17. Possible answers include: sharpening other tools, removing burrs, bevelling corners, and grinding welding beads.
  18. Less than 100 m (330 ft.)
  19. 460 m (1500 ft.) per second
  20. Captive piston
  21. Hilti low-velocity tool
  22. (1) The tool is so designed that it will not fire if it is held at an angle of more than 7° off the work surface.
    (2) A built-in stop ring to absorb impact of firing the tool.
  1. Red
  2. Crimped and wadded
  3. Rim fired
  4. purple (strongest)
    red
    yellow
    green
    brown
    gray (weakest)
  1. Start with the cartridge that has the weakest powder load.
  2. b. False—the tip is smooth
  3. The nail to be used with the tool must bear a number that matches the number code on the piston.

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Block B: Tools and Equipment Copyright © 2026 by Skilled Trades BC, TRU Open Press is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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