Question: 3 . During a performance test, an engine runs at 4 5 0 0 RPM and produces a torque of 4 0 0 Nm .

3. During a performance test, an engine runs at 4500 RPM and produces a torque of 400 Nm. Calculate the brake power output in kilowatts and determine the indicated power if the engine's mechanical efficiency is 90%.

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