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Determine the following for a pair of standard spur gears in mesh:
(a) an equation for the center distance C as a function of the numbers of teeth and module;
(b) the various combinations of 20° gears that an be used to operate at a center distance of 120 mm with an angular velocity ratio of 3:1. The module is not to be less than 2, and the gears are not to be undercut. The gears are to be hobbed.
steam enters the first turbine stage of a vapor power cycle with reheat and regeneration at 32 mpa 600degc and expands
Water vapor is cooled in a closed, rigid tank from 520°C and 100 bar to a final temperature of 270°C. Determine the final pressure, in bar, and sketch the process onT-y and p-y diagrams.
a shaft is made of a steel alloy having an allowable shear stress of 12 ksi. If the diameter of the shaft is 1.5 in., determine the maximum torque T that can be transmitted. What would be the maximum torque T' if a 1 in. diameter hole is bored thr..
the wheel has a mass of 25 kg and a radius of gyration k0.15m. it is originally spinning at w140 rads. if it is placed
Water is siphoned from a large tank and discharges into the atmosphere through a 5 cm diameter tube as shown in below figure. The end of the tube is 1 m below the tank bottom, and viscous effects are negligible.
Steam at 260 c and 1 atm flow through an 8-in. schedule-80 steel pipe at a rate of 10,000 lb/hr. estimate the value of h which applies at the inside pipe surface.
You are required to include a short tabular summary with the following four elements for the two companies you select. For each of the companies, I would like you to provide approximately a 2-page summary with the following contents:
A natural gas (methane) pipeline is to be designed to transport the gas at a rate of 50,000 scfm. The pipe is to be 6 in. ID, and the maximum pressure that the compressors can develop is 10,000 psig. The compressor stations are to be located in the p..
A brittle cast iron (E = 15 Msi, ? = 0.2, Sut = 30 ksi, Suc = 100 ksi) hub is shrink-fit onto a solid carbon steel shaft. The hub has initial inner and outer diameters of 3.000 and 6.000 inches respectively. What is the largest diameter the steel sha..
a gondola on a ski lift is supported by two bent arms as shown in fig. 3. each arm is offset by the distance b180 mm
a packed bed is composed of cubes 0.02 m on a side and the bulk density of the packed bed is 980 kgm3. the density of
a curved nozzle assembly that discharges to the atmosphere is shown. the nozzle mass is 4.5 kg and its internal volume
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