A) \[7.5\,\pi \,\text{m/s}\]
B) \[15\,\pi \,\text{m/s}\]
C) \[45\,\pi \text{m/s}\]
D) \[450\,\pi \,\text{m/s}\]
Correct Answer: A
Solution :
Grinding speed \[=\frac{\pi DN}{60}\] \[=\frac{\pi \times 0.15\times 3000}{60}\] \[=7.5\,\pi \,\text{m/s}\]You need to login to perform this action.
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