Estimate the amount of engine horsepower required to drive the air conditioner. Referring to typical manufacturer's data, compare your estimate with the actual horsepower requirement. Discuss the relationship between the initial unit cost of an automobile air-conditioning system and its operating cost.

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Chapter1: Units, Trigonometry. And Vectors
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8- To maintain the passenger compartment of an automobile traveling at 13.4 m/s at 21C when the
surrounding air temperature is 32C, the vehicle's air conditioner removes 5.275 kW by heat transfer.
Estimate the amount of engine horsepower required to drive the air conditioner. Referring to typical
manufacturer's data, compare your estimate with the actual horsepower requirement. Discuss the
relationship between the initial unit cost of an automobile air-conditioning system and its operating
cost.
Transcribed Image Text:8- To maintain the passenger compartment of an automobile traveling at 13.4 m/s at 21C when the surrounding air temperature is 32C, the vehicle's air conditioner removes 5.275 kW by heat transfer. Estimate the amount of engine horsepower required to drive the air conditioner. Referring to typical manufacturer's data, compare your estimate with the actual horsepower requirement. Discuss the relationship between the initial unit cost of an automobile air-conditioning system and its operating cost.
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