11.13: Quiz 12-Portable Grinding and Abrasive Wheels
1. True or False...Abrasive wheels should be stored according to type, size and speed with all bins clearly marked.
2. True or False...The smallest crack in the abrasive wheel or disk will not create a problem when the wheel is used.
3. True or False...The blotter on every grinding wheel provides the manufacturer's recommended minimum operating speed.
4. True or False...Before installing a new wheel on the grinder, inspect it carefully even though it looks good.
5. True or False...The ring test on a wheel includes suspending the wheel with your finger and tapping it with an object such as a wooden screwdriver and listening for a bell-like ring or tone.
MULTIPLE CHOICE
6. To properly mount the wheel on the grinder, you should make sure ________ .
a. wheel and mounting flanges must be clean b. never use a straight wheel without blotters c. the arbor shank should extend through the wheel d. a, b, and c
7. The tool rest should be positioned ________ of an inch from the wheel.
a. 1/4 b. 1/2 c. 3/8 d. 1/8
8. Abrasive wheels get extremely hot. Grinding should not be made on:
a. glass b. steel c. all soft metals d. none of the above
9. Grinder operators should wear personal protective equipment such as:
a. safety glasses b. face shields c. hard hat d. a & b