1. Tardigrade
  2. Question
  3. Physics
  4. To maintain a rotar at uniform angular speed of 200 rad/s, an engine needs to transmit a torque of 180 Nm. What is the power required by engine? (Assume efficiency of engine to be 80%)

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. To maintain a rotar at uniform angular speed of 200 rad/s, an engine needs to transmit a torque of 180 Nm. What is the power required by engine? (Assume efficiency of engine to be 80%)

Jharkhand CECEJharkhand CECE 2011

Solution:

Power required for rotar,
$ P=\tau .\,W $
$ =36\,kW $
Power of engine
$ {{P}_{0}}=\frac{P}{0.8}=45\,kW $