Answer Key: Self-Test B-2.3

  1. c. Counterweight
  2. b. Mist spray
  3. d. Automatically shut off
  4. b. Rotating the vise
  5. b. Reducing the blade speed
  6. b. Carbon steel
  7. a. Hook-tooth blade
  8. c. Skip-tooth blades
  9. c. Skip-tooth, high-speed steel
  10. b. 3 to 6 per inch
  11. Model 300
  12. Model 300
  13. Power drive
  14. No. 535 pipe and bolt threading machine
  15. The cutter, reamer and threader are built into the power threading machine, while for the power vise, the tools are attached to the motor unit.
  16. Foot switch
  17. The purpose is to prepare pipe for grooved couplings and fittings.
  18. Model 975 roll groover
  19. Pipe support stand
  20. Wall thickness changes: wall along the inner radius of the tube becomes thicker, and the outer wall becomes thinner.

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