Question:Two electric motors are being economically evaluated for the use inunmanned vehicle. Each is capable of delivering 90 horsepower to anecessary application that the vehicle performs. Data for the mutuallyexclusive motors as follows:Motor XMotor Y$2,5000.76$3,2000.91Initial investmentElectricity efficiencyAnnual maintenanceUseful life (years)$45012$60012If the expected usage of the motor is 700 hours per year, what would the costof electric power have to be (in $ per kWh) before the Motor Y is favored overthe Motor X? Use i =10% per year. (1 horsepower = 0.746 kilowatts)

Calculate the annual energy cost of motor Y as follows:

Question: Two electric motors are being economically evaluated for the use in unmanned vehicle. Each is capable of delivering 90 horsepower to a necessary application that the vehicle performs. Data for the mutually exclusive motors as follows: Motor X Motor Y $2,500 0.76 $3,200 Initial investment Electricity efficiency Annual maintenance Useful life (years) 0.91 $450 12 $600 12 If the expected usage of the motor is 700 hours per year, what would the cost of electric power have to be (in $ per kWh) before the Motor Y is favored over the Motor X? Use i =10% per year. (1 horsepower = 0.746 kilowatts)

Question: Two electric motors are being economically evaluated for the use in unmanned vehicle. Each is capable of delivering 90 horsepower to a necessary application that the vehicle performs. Data for the mutually exclusive motors as follows: Motor X Motor Y $2,500 0.76 $3,200 Initial investment Electricity efficiency Annual maintenance Useful life (years) 0.91 $450 12 $600 12 If the expected usage of the motor is 700 hours per year, what would the cost of electric power have to be (in $ per kWh) before the Motor Y is favored over the Motor X? Use i =10% per year. (1 horsepower = 0.746 kilowatts)

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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