Q. The end product obtained using spinning process is shown in the figure. The initial blank thickness is 2.5 mm. The blank diameter (in mm) is
| (A) 75 | (B) 105 | (C) 150 | (D) 210 |
Ans: 210
Sol:
Hypotenuse = 45 × 2 = 90 mm
D = (2 × Hypotenuse) + 30 mm
D = (2 × 90) + 30 = 210 mm.
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