5.2 - Next Steps: Earthmoving Equipment Discussion
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Practice Questions
Test your understanding with targeted questions
What happens to air density as altitude increases?
💡 Hint: Consider what happens to air when you go higher.
What is the purpose of a turbocharger?
💡 Hint: Think about what a turbocharger does to air.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the relationship between altitude and engine horsepower?
💡 Hint: Consider how air density affects combustion.
Turbochargers are used to:
💡 Hint: Remember the function of a turbocharger.
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Challenge Problems
Push your limits with advanced challenges
If an earthmover has a standard horsepower of 150 at sea level, calculate its expected horsepower at a height of 9,000 feet where the air density drops to about 70% of that at sea level. Show your calculations.
💡 Hint: Use the percentage reduction in air density to assess horsepower.
Discuss the implications of using a machine rated for sea level performance at high altitude without adjustment for conditions. Highlight three potential issues.
💡 Hint: Think about the engine's air-fuel mixture and performance.
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