A solid steel shaft transmits 40 kW of power at a speed of \(\frac{75 – McqOptions

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1.	A solid steel shaft transmits 40 kW of power at a speed of \(\frac{75}{\pi}\)Hz. The internal torque needed in the shaft is
A.	\(\frac{812}{3}~Nm\)
B.	\(\frac{800}{3}~Nm\)
C.	\(\frac{541}{2}~Nm\)
D.	\(\frac{400}{3}~Nm\)
Answer» C. \(\frac{541}{2}~Nm\)

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