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Millwright Level 1 Final Exam 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert)
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Millwright Level 1 Final Exam 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert)
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Millwright Level 1 Final.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/Millwright%20Level%MILLWRIGHT LEVEL 1 FINAL EXAM
1. On a pedestal grinder, the gap between the grinding wheel and work rest should not
exceed
ANS 1/8 inch
2. The kind of abrasive material used in grinding wheels for general purpose
applications is
ANS aluminum oxide
3. A blotter is used on a grinding wheel to
ANS protect the flanges from the abrasize grit, display information about the wheel and
compensate for the uneven surfaces on the wheel
4. Flanges should at least be
ANS 1/3 the diameter of the wheel
5. The best wheel to use for cleaning scale and dirt off a workpiece is the
ANS wire wheel
6. What is a natural abrasive?
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ANS made of natural material rather than synthetic
7. Under properties of abrasives, to what does the term hardness refer?
ANS ability of a material to scratch or penetrate another material
8. The is the part of the wheel that holds the grains together
ANS bond
9. Markings for the wheel identification can be found on the
ANS Blotter
10. What is the recommended speed to run a grinding wheel?
ANS Never run it faster that the max RPM of the grinding wheel
11. How should you start a grinder?
ANS Stand off to the side and wait a full minute
12. Is 46 or 60 the coarser grit?
ANS 46
13. What are the 2 most commonly used abrasive materials?
ANS Aluminum oxide and silicone carbide
14. For what purpose is the diamond dresser used?
ANS When a very fine finish is required
15. What is the purpose of ring test?
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ANS to check for cracks
16. If a grinding wheel makes a ringing sound what does that mean?
ANS wheel is not cracked
17. What is the purpose of truing a grinding wheel?
ANS Restores the shape of the wheel and makes the outer surface of the wheel concentric with
its bore
18. An out of balance wheel
ANS vibrates
19. Belt grinders are useful for
ANS quickly deburring and chamfering a workpiece
20. What is the purpose of a GFCI?
ANS Senses drop in current and switches power off
21. The kind of abrasive material use in grinding wheels for general purpose application
is
ANS aluminum oxide
22. Is it safe to carry a portable grinder by the power cord?
ANS False
23. Is it safe to use standard sockets with electric impact wrenches
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ANS False
24. The larger the power drill, the slower the RPMs and the higher the torque-
ANS True
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