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2 cards from this section. Quick, good the night before a test.
What effect does altitude have on engine horsepower?
Think about how air density changes with altitude.
Name a device that can help engines perform better at high altitudes.
This device compresses incoming air.
How does altitude affect engine efficiency?
Remember how air density relates to performance.
True or False: Turbochargers are used to reduce engine horsepower at high altitudes.
Consider what turbochargers actually do.
A construction project is planned at 10,000 feet elevation. The engine has a rating of 250 HP at sea level. Calculate the horsepower loss at this altitude (using an average of 20% loss per 5,000 feet).
Consider the percentage loss formula based on elevation change.
You are evaluating two machines for a project at a high altitude. Machine A with a turbocharger has a rated horsepower loss of 10% at 5,000 feet. Machine B without a turbocharger loses 20% at the same altitude. If both have 300 HP at sea level, determine the effective horsepower for each at 5,000 feet.
Calculate the adjusted horsepower by determining the percentage deduction for each machine.
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