In an involute gear, the base circle must be ________ .
एक इनवॉल्व गियर में, बेस सर्कल ________ होना चाहिए।
At root circle
Under root
circle
Above root
circle
Under pitch
circle
At root circle
The involute
starts from the base circle and there is no involute curve within the base
circle. If the base circle is smaller or equal to root circle whole the teeth
profile will be involute and there will be no need for undercutting in the
flank portion.
Hence, the correct
option is (A).
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