General Studies · IC Engines
How does indicated power differ from brake power in an internal combustion engine?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Indicated power is measured at the engine's output shaft, while brake power is measured in the cylinders.
- 2Both indicated and brake power represent the exact same value under all real operating conditions.
- 3Indicated power is derived from combustion chamber pressures, whereas brake power is the net output at the crankshaft after mechanical losses.✓
- 4Indicated power accounts for frictional losses, whereas brake power does not take any losses into account.
Correct answer
Indicated power is derived from combustion chamber pressures, whereas brake power is the net output at the crankshaft after mechanical losses.
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