You are asked to evaluate the purchase of two electric motors: Motor A and Motor

Question

You are asked to evaluate the purchase of two electric motors: Motor A and Motor B. Both motors are the same size and require 50hp. The application requires the continuous operation of the motor, 24 hours a day and seven days a week. The two motors being compared are the same in every regard except for efficiency. Motor A is 80% efficient and Motor B is 88% efficient. Motor A has an installed cost of $800 and Motor B can be purchased installed for $700. Define the problem, develop a solution plan, and execute the plan. Estimate any other parameters required to complete the analysis.

Explanation / Answer

motor B is more effective as it is more efficient and less costly, definitely will use motor B more than A to avoid electrical losses because of the low efficiency of motor A.

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