1. Friction between chain and sprocket teeth. |
2. Overcoming the chain stiffness. |
3. Overcoming the friction in shaft bearing. |
4. Frictional resistance of the motion of the chain in air or lubricant. |
A) 1, 2, 3, 4
B) 1, 2, 4, 3
C) 2, 1, 3, 4
D) 2, 1, 4, 3
Correct Answer: A
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