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University Of Phoenix Operations And Supply Chain Management Assignment Help -An exercise


Question - An exercise room has eight weight-lifting machines that have no motors and four treadmills each
equipped with a 2.5-hp (shaft output) motor. The motors operate at an average load factor of 0.7, at
which their efficiency is 0.77. During peak evening hours, all 12 pieces of exercising equipment are
used continuously, and there are also two people doing light exercises while waiting in line for one
piece of the equipment. Assuming the average rate of heat dissipation from people in an exercise
room is 525 W determine the rate of heat gain of the exercise room from people and the equipment at
peak load conditions.

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