Question
Download Solution PDFIf the indicated power and frictional power of an engine are 100 KW and 25 KW, respectively, then what will be the brake power of the engine?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
To determine the brake power (BP) of an engine, we need to understand the relationship between indicated power (IP), frictional power (FP), and brake power. The indicated power is the total power produced by the combustion of fuel in the engine's cylinders. However, not all of this power is available for useful work because some of it is lost due to friction within the engine components. The brake power is the actual power available at the output shaft of the engine after these frictional losses are accounted for.
The formula to calculate brake power is:
BP = IP - FP
Where:
- BP is the brake power.
- IP is the indicated power.
- FP is the frictional power.
Given:
- Indicated Power (IP) = 100 KW
- Frictional Power (FP) = 25 KW
Substituting the given values into the formula:
BP = 100 KW - 25 KW
BP = 75 KW
Therefore, the brake power of the engine is 75 KW.
Last updated on Jul 1, 2025
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