In V-belt
drive, belt touches________ .
वी-बेल्ट ड्राइव में, बेल्ट ________ को छूती है।
At bottom
At sides only
Both at
bottom and sides
Could touch
anywhere
At sides only
In a V-belt drive, the belt makes contact only at sides of the groove of pulleyas shown in the figure.
A small
groove angle will require more force to pull the belt out of the groove which
will result in loss of power and excessive belt wear due to friction and heat.
Hence, the selected groove angle is a compromise between the two. Usually the
groove angle of 320
Hence, the
correct option is (B).
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