Millwright Level 1 Final Questions & Answers (Graded A+)

Millwright Level 1 Final Questions & Answers (Grade On a pedestal grinder, the gap between the grinding wheel and work rest should not exceed: - ANSWER-1/8 inch The kind of abrasive material used in grinding wheels for general purpose applications is: - ANSWER-aluminum oxide A blotter is used on a grinding wheel to: - ANSWER-protect the flanges from the abrasize grit, display information about the wheel and compensate for the uneven surfaces on the wheel Flanges should at least be: - ANSWER-1/3 the diameter of the wheel The best wheel to use for cleaning scale and dirt off a workpiece is the: - ANSWER-wire wheel What is a natural abrasive? - ANSWER-made of natural material rather than synthetic Under properties of abrasives, to what does the term hardness refer? - ANSWER-ability of a material to scratch or penetrate another material The ____ is the part of the wheel that holds the grains together - ANSWER-bond Markings for the wheel identification can be found on the _______ - ANSWER-Blotter What is the recommended speed to run a grinding wheel? - ANSWER-Never run it faster that the max RPM of the grinding wheel How should you start a grinder? - ANSWER-Stand off to the side and wait a full minute Is 46 or 60 the coarser grit? - ANSWER-46 What are the 2 most commonly used abrasive materials? - ANSWER-Aluminum oxide d A+)