Self-Test B-2.4: Use Stationary Power Tools

Complete Self-Test B-2.4 and check your answers.

1. The maximum distance from the face of a grinding wheel to the tool rest should be:
   1. 1 mm (1⁄16 in.)
   2. 3 mm (1⁄8 in.)
   3. 6 mm (¼ in.)
   4. 12 mm (1/2 in.)
2. To use a grinder safely you must wear:
   1. Leather pants
   2. A fireproof apron
   3. Eye and hearing protection
   4. A hard hat
3. To remove the nut on the left spindle of a stationary grinder, you must turn the nut:
   1. In a clockwise direction
   2. In a counter-clockwise direction
   3. Opposite the rotation of the motor
   4. Upward at the front
4. The purpose of the blotter paper disk on the sides of a grinding wheel is to:
   1. Prevent grinding on the sides
   2. Provide traction to the flanges
   3. Absorb excess moisture
   4. Reduce strain caused by the flanges
5. To correct out-of-roundness on a grinding wheel you must:
   1. Return the wheel to supplier
   2. Adjust the centre on the shaft
   3. Dress the face of the wheel
   4. Grind hard metals
6. To test a grinding wheel for cracks the wheel should be:
   1. Properly mounted on the grinder
   2. Standing or suspended on edge
   3. Rotating slowly
   4. Lying on a flat surface
7. State the safety precaution for checking the switches of a power vise before the machine is plugged in.
   

   ---

   ---

8. State the safety precaution for checking the switch of the Model 700 portable power vise before the machine is plugged in.
   

   ---

9. If you must use an extension cord with a power drive, what kind do you use?
   

   ---

   ---

10. It is never necessary to support a pipe when using a power vise.
    1. True
    2. False
11. Name the parts in the illustration below.
    

    

    a.

    ---

    b.

    ---

    c.

    ---

    d.

    ---

    e.

    ---
12. What must be done first before installing a length of pipe in a power vise?
    

    ---

    ---

    ---

    ---

13. How are the jaws of the chuck tightened on the pipe to be cut?.
    

    ---

    ---

14. After the pipe is installed, how is a hand cutter engaged with the pipe?
    

    ---

    ---

15. Which of the three ratchet reamers shown below is the safest hand tool to use with a power vise?
    

    

    ---

16. Name the steps for using a fluted hand reamer with a power drive.

    a.

    ---

    ---

    b.

    ---

    ---

    c.

    ---

    ---

    d.

    ---

    ---

    e.

    ---

    ---

17. Name the steps for using a fluted hand reamer with a power drive.

    a.

    ---

    ---

    b.

    ---

    ---

    c.

    ---

    ---

    d.

    ---

    ---

    e.

    ---

    ---

    ---

    d.

    ---

    ---

    e.

    ---

    ---

    f.

    ---

    ---

    g.

    ---

    ---

    h.

    ---

    ---

18. A short nipple has threads along its full length.
    1. True
    2. False
19. A 5 cm (2 in.) nipple requires an adaptor to thread into a nipple chuck
    1. True
    2. False
20. A 25 mm (1 in.) nipple requires an insert and an adaptor in the nipple chuck.
    1. True
    2. False
21. Describe the steps for preparing pipe for grooving.
    

    ---

    ---

    ---

    ---

    ---

    ---

22. If a pipe stand is used to support a length of pipe, how is the stand positioned?
    

    ---

    ---

    ---

    ---

    ---

    ---

23. What mut you remember to do when placing a pipe end on the driving roll of the groover?
    

    ---

    ---

    ---

    ---

    ---

Answer Key: Self-Test B-2.4 is on the next page.