Engineering, 02.10.2019 00:30 krog79
3) a scraper with a 275 hp. diesel engine will be used to excavate and haul earth for a highway project. an evaluation of the job-site conditions indicates the scraper will operate 40 min./hr. for this project it is anticipated that the total cycle time will be 20 min. for a round trip. previous job records show the scraper operated at full power for the 1.5 min. required to fill the bowl of the scraper and at 80% of the rated hp. for the balance of the cycle time. calculate the gallons per hour for fuel consumption of the scraper.
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3) a scraper with a 275 hp. diesel engine will be used to excavate and haul earth for a highway proj...
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