

MCQOPTIONS
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1. |
*$_In a flat collar pivot bearing, the moment due to friction is proportional to? |
A. | (r₁² - r₂²)/(r₁ - r₂) |
B. | (r₁² - r₂²)/(r₁ + r₂) |
C. | (r₁³ - r₂³)/(r₁² - r₂²) |
D. | (r₁³ - r₂³)/(r₁ - r₂) |
Answer» D. (r‚Äö√á√Ö¬¨‚â• - r‚Äö√á√ᬨ‚â•)/(r‚Äö√á√Ö - r‚Äö√á√á) | |