For uniform wear, the ratio of frictional torque for a flat collar be – McqOptions

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1.	For uniform wear, the ratio of frictional torque for a flat collar bearing to the frictional torque for conical collar bearing is equal to____. Where Ï´=semi-angle of the cone
A.	1.33
B.	1
C.	sinÏ´
D.	cosÏ´
Answer» D. cosÏ´

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