Welding ( Grinder Safety ) Flashcards | Quizlet
If the arbor revolutions per minute ( RPM''s ) of a giving grinder is 3400, which grinding wheel would be safe for use on the particular grinder ? A) 1700 RPM B) 2400 RPM C) 2800 RPM D) 4600 RPM. C. The spark deflector on a grinder should be adjusted to within _____ inches of the grinding wheel ? A) 1/4