In a
horizontal flat belt drive, it is customary to use
क्षैतिज फ्लैट बेल्ट ड्राइव में, इसका उपयोग करना प्रथागत है
Bottom side
of the belt as the slack side during the transmission of power
Top side of
the belt as the slack side
Crossed
belting
Idler in between
Top side of
the belt as the slack side
The slack
side of the belt should be on top because it increases the angle of contact
(wrap angle) and hence improves the power transmission capacity.
Hence, the
correct option is (B).
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