1. They will transmit the desired motion. |
2. They are difficult to manufacture. |
3. Standardization is not possible. |
4. The cost of production is low. |
A) 1, 2 and 3
B) 1, 2 and 4
C) 2, 3 and 4
D) 1, 3 and 4
Correct Answer: B
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