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BHP of a diesel engine can be increased by
- a)increasing the pressure of intake air
- b)increasing the temperature of intake air
- c)increasing the density of intake air
- d)decreasing the density of intake air
Correct answer is option 'C'. Can you explain this answer?
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BHP of a diesel engine can be increased bya)increasing the pressure of...
Understanding Brake Horsepower (BHP) in Diesel Engines
Brake horsepower (BHP) is a measure of an engine's power output before losses such as friction are taken into account. Increasing BHP in diesel engines can be achieved through several methods, with the most effective being the enhancement of intake air density.
Why Density Matters
- Increased Air Density: Higher density means more air molecules in a given volume. This allows for a greater amount of oxygen to enter the combustion chamber.
- Improved Combustion: More oxygen facilitates better combustion of the fuel, leading to more energy release during the power stroke.
Other Factors
- Intake Air Pressure: While increasing pressure can improve air density, it is not as direct as simply increasing density itself.
- Intake Air Temperature: Higher temperatures can reduce air density, which can negatively impact performance.
- Decreasing Density: This is counterproductive as it leads to less oxygen, thereby reducing power output.
Conclusion
To maximize BHP in a diesel engine, focusing on increasing the density of intake air is crucial. This can be achieved through methods such as turbocharging or using intercoolers, which cool the intake air and increase its density, ultimately enhancing engine performance.
Brake horsepower (BHP) is a measure of an engine's power output before losses such as friction are taken into account. Increasing BHP in diesel engines can be achieved through several methods, with the most effective being the enhancement of intake air density.
Why Density Matters
- Increased Air Density: Higher density means more air molecules in a given volume. This allows for a greater amount of oxygen to enter the combustion chamber.
- Improved Combustion: More oxygen facilitates better combustion of the fuel, leading to more energy release during the power stroke.
Other Factors
- Intake Air Pressure: While increasing pressure can improve air density, it is not as direct as simply increasing density itself.
- Intake Air Temperature: Higher temperatures can reduce air density, which can negatively impact performance.
- Decreasing Density: This is counterproductive as it leads to less oxygen, thereby reducing power output.
Conclusion
To maximize BHP in a diesel engine, focusing on increasing the density of intake air is crucial. This can be achieved through methods such as turbocharging or using intercoolers, which cool the intake air and increase its density, ultimately enhancing engine performance.
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BHP of a diesel engine can be increased bya)increasing the pressure of intake airb)increasing the temperature of intake airc)increasing the density of intake aird)decreasing the density of intake airCorrect answer is option 'C'. Can you explain this answer?
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