Which one is the locking device? [NCVI
(a) Cotter Pin
(b) Woodruff key
(C) Grooved nut (d) None of these
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Answers
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A positive locking device is a device used in conjunction with a fastener in order to positively lock the fastener. This means that the fastener cannot work loose from vibrations. The following is a list of positive locking devices: A split beam nut.
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The correct answer is option (d) None of these.
Explanation:
- Among all the options give, None of these is the locking device.
- A mechanical component that prevents mated shafts and other machine elements from moving out of position when subjected to external forces is known as a locking device.
- These all are critical components.
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