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1. A machine having an input of 90,000 ft-lb per minute operates at an efficiency of 65%. Calculate its output in foot- pounds per
1. A machine having an input of 90,000 ft-lb per minute operates at an efficiency of 65%. Calculate its output in foot- pounds per minute. O A. 138,462 OB. 257,143 O C. 31,500 O D. 58,500
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Contemporary Engineering Economics
Authors: Chan S. Park
5th edition
136118488, 978-8120342095, 8120342097, 978-0136118480
