MCQOPTIONS
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| 1. |
For calculating the blank diameter D for thin cylindrical shell of outer diameter d and with height of the shall h, which one of the following formulae is used when d 220r, where r is the comer radius on the punch? |
| A. | \[D=\sqrt{{{d}^{2}}+4d{{h}^{2}}}\] |
| B. | \[D=\sqrt{{{d}^{2}}+4dh-0.5r}\] |
| C. | \[D=\sqrt{{{d}^{2}}+4dh-r}\] |
| D. | \[D=\sqrt{{{d}^{2}}+4dh-1.5r}\] |
| Answer» B. \[D=\sqrt{{{d}^{2}}+4dh-0.5r}\] | |