Millwright Level 1 exam 2023/2024 with 100% correct answers

On a pedestal grinder, the gap between the grinding wheel and work rest should not exceed: - correct answer 1/8 inch The kind of abrasive material used in grinding wheels for general purpose applications is: - correct answer aluminum oxide A blotter is used on a grinding wheel to: - correct 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: - correct answer 1/3 the diameter of the wheel The best wheel to use for cleaning scale and dirt off a workpiece is the: - correct answer wire wheel What is a natural abrasive? - correct answer made of natural material rather than synthetic Under properties of abrasives, to what does the term hardness refer? - correct answer ability of a material to scratch or penetrate another material The ____ is the part of the wheel that holds the grains together - correct answer bond Markings for the wheel identification can be found on the _______ - correct answer Blotter What is the recommended speed to run a grinding wheel? - correct answer Never run it faster that the max RPM of the grinding wheel How should you start a grinder? - correct answer Stand off to the side and wait a full minute Is 46 or 60 the coarser grit? - correct answer 46 What are the 2 most commonly used abrasive materials? - correct answer Aluminum oxide and silicone carbide For what purpose is the diamond dresser used? - correct answer When a very fine finish is required What is the purpose of ring test? - correct answer to check for cracks If a grindin