MCQOPTIONS
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MCQOPTIONS
| 1. |
If R is the radius of a main circular curve, Δ is the angle of deflection and α is the polar deflection angle of any point, its radial distance is |
| A. | 3 R sin Δ/3 sin 2α |
| B. | 3 R sin Δ/2 sin 3α |
| C. | 3 R sin Δ/3 sin α/2 |
| D. | 3 R sin 2Δ sin α |
| Answer» B. 3 R sin Œî/2 sin 3Œ± | |