Question

A shaft rotating at $3000rpm$ is transmitting a power of $3.14KW$. The magnitude of the driving torque is:

• A. $6Nm$
• B. $10Nm$
• C. $15Nm$
• D. $22Nm$

Answer 1

The correct option is B $10Nm$

Power=torque×$\omega$

$3.14\times {10}^3=T\times 3000\times \frac{2\pi }{60}$

$T=10Nm$