Q. If L1 and L2 are actual and theoretical lengths of a tongue rail, d is heel divergence and tis thickness (Solved)
1. sin 1 (d - t/
2. tan 1 (d - t/
3. sin 1 (d - t/
4. tan 1 (d - t/
- a. sin 1 (d - t/
1. sin 1 (d - t/
2. tan 1 (d - t/
3. sin 1 (d - t/
4. tan 1 (d - t/