When the friction lining is new, the wear varies ________ .
जब घर्षण लाइनिंग नया होता है, तो घिसाव ________ भिन्न होता है।
Directly to radius
Inversely to
radius
Directly to
the square of radius
Inversely to
the square of radius
Directly to radius
When friction
lining is new then uniform pressure theory is applied and then according to it,
p = 
Wear is
directly proportional to radius r.
Hence, the
correct option is (A).
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