Abrasive Wheels

What is the main cause of wheel breakage when using an abrasive wheel?
A. Soft substrate B. Over-speeding C. Carrying the wheel D. Using the incorrect PPE
How is the maximum operating speed marked on the wheel?
A. In m/s and rpm B. In mph and rpm C. In km/h and m/s D. In rpm and ft/s
How often should you carry out a visual inspection of the abrasive wheel?
A. Once a year B. Before each use C. Once a month D. At the end of every day
Which of the following is a common injury caused by the use of abrasive wheels?
A. Hand-Arm Vibration Syndrome B. Migraine C. Athlete's foot D. Loss of hearing
When you need to put a new wheel on your grinder, what should you do with the wheel first
A. Nothing. If it’s a new wheel, straight out of its packaging, just put it right on the grinder. B. Prepare it for use by soaking it in water for no less than three minutes. C. Give it a ‘ring test’ to make sure it is suitable for use. D. Roll it across the floor to make sure it is perfectly round.
Which of these are forms of personal protective equipment you may need while using a grinder?
A. Eye protection. B. Respirator. C. All of the above. D. Ear plugs.
Why should eye protection be used when operating a grinder?
A. To protect the worker’s eyes from sparks. B. A and B. C. To protect the worker’s eyes from flying fragments, if the wheel breaks. D. To protect the eyes from ultraviolet rays created by the hot metal.

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Abrasive Wheels (Answer Key)

What is the main cause of wheel breakage when using an abrasive wheel?
A. Soft substrate B. Over-speeding C. Carrying the wheel D. Using the incorrect PPE
How is the maximum operating speed marked on the wheel?
A. In m/s and rpm B. In mph and rpm C. In km/h and m/s D. In rpm and ft/s
How often should you carry out a visual inspection of the abrasive wheel?
A. Once a year B. Before each use C. Once a month D. At the end of every day
Which of the following is a common injury caused by the use of abrasive wheels?
A. Hand-Arm Vibration Syndrome B. Migraine C. Athlete's foot D. Loss of hearing
When you need to put a new wheel on your grinder, what should you do with the wheel first
A. Nothing. If it’s a new wheel, straight out of its packaging, just put it right on the grinder. B. Prepare it for use by soaking it in water for no less than three minutes. C. Give it a ‘ring test’ to make sure it is suitable for use. D. Roll it across the floor to make sure it is perfectly round.
Which of these are forms of personal protective equipment you may need while using a grinder?
A. Eye protection. B. Respirator. C. All of the above. D. Ear plugs.
Why should eye protection be used when operating a grinder?
A. To protect the worker’s eyes from sparks. B. A and B. C. To protect the worker’s eyes from flying fragments, if the wheel breaks. D. To protect the eyes from ultraviolet rays created by the hot metal.

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