subject
Engineering, 09.12.2021 16:20 flowerrr55

owns fleet of 270-hp track-type tractors (with direct-drive transmissions) and drawn scrapers (wheeled). The haul route is rutted dirt and the overburden (material hauled) is bituminous clay. Penetration of surface under wheel is estimated to be 8 inch. If the scraper weighs 45,000 lbs. (empty) and carries 30 loose cubic yards per trip, what is the rolling resistance of the loaded unit

ansver
Answers: 3

Other questions on the subject: Engineering

image
Engineering, 04.07.2019 18:10, 19deleonl
Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
Answers: 2
image
Engineering, 04.07.2019 18:10, wyattlb97
Water at the rate of 1 kg/s is forced through a tube with a 2.5 cm inner diameter. the inlet water temperature is 15°c, and the outlet water temperature is 50°c. the tube wall temperature is 14°c higher than the local water temperature all along the length of the tube. what is the length of the tube?
Answers: 3
image
Engineering, 04.07.2019 18:20, moneywaydaedae
Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis
Answers: 1
image
Engineering, 04.07.2019 18:20, esmemaluma00
Find the minimum film thickness for a journal bearing with the data below. shaft diameter, d-50 mm, clearance ratio, cdratio? 0.001, shaft speed, n 2000 rpm; bearing length. i 200 mm; eccentricity ration, ? -0.55. ( note, cdratio-ca/d) the minimum film thickness is um
Answers: 2
You know the right answer?
owns fleet of 270-hp track-type tractors (with direct-drive transmissions) and drawn scrapers (wheel...

Questions in other subjects:

Konu
Social Studies, 21.04.2020 01:59