A) 3.75 m/min
B) 5.0 m/min
C) 7.5 m/min
D) 12 m/min
Correct Answer: C
Solution :
Average speed of operation \[=\frac{2NL}{{{10}^{3}}}=\frac{30\times 250}{{{10}^{3}}}\] \[=\text{ }7.5\text{ }m/min\]You need to login to perform this action.
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