Question

technician a says that when using a bench grinder, the tool rest should be no more than 1/8\ (3.2 - mm) or half the thickness of the metal you are grinding, away from the grinding wheel. technician b says that when using a bench grinder, the piece you are grinding needs to be cooled periodically. who is correct? select one: a. technician a b. technician b c. both a and b d. neither a nor b

Explanation:

Technician A's statement about the tool - rest distance is a standard safety and operational guideline for bench grinders. Technician B's statement about periodic cooling is also correct as grinding can generate heat and cooling helps prevent over - heating and damage to the metal piece.

Answer:

c. Both A and B