o electric motors are being evaluated for an automated paint booth cation. Each motor have an output of 10 horsepower. It is estimated th both will be operated at an average of 8 hours per day for 250 days pe MARR is 12% per year and the machine must return the capital in 5 . Motor A costs P68,000 and has a guaranteed efficiency of 85% at th ated operating load. Motor B costs P56,000 and has a guaranteed ency of 80% at the same operating load. Electric energy costs P 6.80 F att-hour and 1hp = = 0.746kW.

Essentials Of Investments
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ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
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Chapter1: Investments: Background And Issues
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wo electric motors are being evaluated for an automated paint booth
application. Each motor have an output of 10 horsepower. It is estimated that
the booth will be operated at an average of 8 hours per day for 250 days per
year. MARR is 12% per year and the machine must return the capital in 5
years. Motor A costs P68,000 and has a guaranteed efficiency of 85% at the
indicated operating load. Motor B costs P56,000 and has a guaranteed
efficiency of 80% at the same operating load. Electric energy costs P 6.80 per
kilowatt-hour and 1hp = = 0.746kW.
==
Determine the annual cost of electric energy in operating motor A.
Transcribed Image Text:I wo electric motors are being evaluated for an automated paint booth application. Each motor have an output of 10 horsepower. It is estimated that the booth will be operated at an average of 8 hours per day for 250 days per year. MARR is 12% per year and the machine must return the capital in 5 years. Motor A costs P68,000 and has a guaranteed efficiency of 85% at the indicated operating load. Motor B costs P56,000 and has a guaranteed efficiency of 80% at the same operating load. Electric energy costs P 6.80 per kilowatt-hour and 1hp = = 0.746kW. == Determine the annual cost of electric energy in operating motor A.
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