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The percentage scrap in a sheet metal blanking operation of a continuous strip of sheet metal as shown in the figure (correct to two decimal places) is _______.
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- 33.20%
- 53.25%
- 93.25%
- 33.25%
Correct Option: B
For blanking operation the piece obtained through hole is so, Scrap = hatched one area
| % scrap = |  |  | × 100 | |
| Total Area |
| = | | | × 100 | |
| Total Area |
| = | | 1 − | | × 100 | |
| total Area |
= 53.25%
