Engineering, 15.04.2020 02:10 allytrujillo20oy0dib
Ignore swell and shrinkage for this problem.
An excavator with a 5 cubic yard bucket has a cycle time of 33 seconds. The trucks you have available can be filled in 3 cycles of the excavator (trucks have 15 cubic yards capacity). The trucks take 5 minutes to haul, 45 seconds to dump, and 3 minutes to return to the excavator.
a. Find the number of trucks to balance the output of the excavator. Report your answer to at least 1 decimal place. You can assume 60 minute hours.
b. If you round up the number of trucks, what is the output per 60 minutes?
c. If you round the number of trucks down, what is the output per 60 minutes?
Answers: 2
Engineering, 04.07.2019 18:10, keigleyhannah30
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
Engineering, 04.07.2019 18:10, ijohnh14
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 18:20, ashleyjaslin
Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.
Answers: 3
Ignore swell and shrinkage for this problem.
An excavator with a 5 cubic yard bucket has a cy...
An excavator with a 5 cubic yard bucket has a cy...
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