The following data were obtained on a diesel engine operating in a prony brake. Fuel Engine...
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The following data were obtained on a diesel engine operating in a prony brake. Fuel Engine Speed Torque Consumption (ft-lbf) (gal/hr) (грт) 1,200 1,000 800 600 1,400 1,550 1,650 1,700 25.3 19.7 15.7 12.1 a. Compute the brake horsepower at each engine speed. Answer: 319.9, 295.1, 251.3, and 194.2 hp. b. Compute the overall engine efficiency at each engine speed. Answer: 0.235, 0.278, 0.297, and 0.298. c. Compute the fuel consumption in gallons per day for an average engine speed of 800 rpm and a 12- hour work day. Answer: 188.4 gal/D. The following data were obtained on a diesel engine operating in a prony brake. Fuel Engine Speed Torque Consumption (ft-lbf) (gal/hr) (грт) 1,200 1,000 800 600 1,400 1,550 1,650 1,700 25.3 19.7 15.7 12.1 a. Compute the brake horsepower at each engine speed. Answer: 319.9, 295.1, 251.3, and 194.2 hp. b. Compute the overall engine efficiency at each engine speed. Answer: 0.235, 0.278, 0.297, and 0.298. c. Compute the fuel consumption in gallons per day for an average engine speed of 800 rpm and a 12- hour work day. Answer: 188.4 gal/D.
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Essentials of Statistics for the Behavioral Sciences
ISBN: 978-1285056340
8th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau
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