Why is gear
teeth made harder?
गियर के दांतों को सख्त क्यों बनाया जाता है?
To avoid
pitting
To avoid wear
To avoid
tensile strength
To avoid
abrasion
To avoid wear
Since the
gears are used to transmit power in mechanical parts so, there will be
considerable amount of load on gears while in contact with other and this load
act at the tooth of the gears. Thus it is necessary that the tooth is hard
enough to avoid wear and tear.
Hence, the
correct option is (B).
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