MCQOPTIONS
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| 1. |
Which of the following is true for Length of arc of contact? |
| A. | Sum of Arc of recess and Arc of approach |
| B. | Difference of arc of approach and arc of recess |
| C. | Twice the arc of approach |
| D. | Twice the arc of recess |
| Answer» B. Difference of arc of approach and arc of recess | |