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1. |
What is the difference between ratchet and spur gear? |
A. | Ratchets have bigger diameter than spur gear |
B. | Ratchets have lesser diameter than spur gear |
C. | Ratchets have asymmetrical tooth but spur gear have symmetrical tooth |
D. | Ratchets have symmetrical tooth but spur gear have asymmetrical tooth |
Answer» D. Ratchets have symmetrical tooth but spur gear have asymmetrical tooth | |