1.

The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is

A. (1/2). μ W cosec α (r₁ + r₂)
B. (2/3).μ W cosec α (r₁ + r₂)
C. (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)]
D. (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)]
Answer» B. (2/3).μ W cosec α (r₁ + r₂)


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