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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.
you balanced a pump impeller by placing a 5 gram weight at a radius of 100 mm. the original vibration amplitude was 10
An ideal gas expands isentropically through a converging nozzle from a large tank at 120 lbf/in.2, 6008R, and discharges into a region at 60 lbf/in.2 Determine the mass flow rate, in lb/s, for an exit flow area of 1 in.2, if the gas is
Air passes through a 1.5m-diameter ventilation duct at a velocity of 3.0 m/s. Calculate the volumetric flow rate and the mass flow rate assuming that the air has a density of 1.12 kg/m3.
A satellite changes its orbit inclined 66 degrees at 260.0 km altitude to a polar orbit at the same altitude. What Delta V was required?
Calculate the adiabatic flame temperature attained when methane at 298k, is combusted (a) with oxygen in the molar ratio air/CH4 = 9.524. Assume that CO2 and H2O are the products of the combustion. The adiabatic flame temperature is that temperature ..
the engine of an automobile supplies 180 hp at 2500 rpm to the drive shaft. if the maximum shearing stress in the drive
i want the same tutor who did my last assignment fluids mechanices
Consider a large plane wall of thickness L = 0.3 m, thermal conductivity k = 2.5 W/m-K, and surface area A = 12.0 m2. The left side of the wall at x = 0 is subjected to a net heat flux q” = 700 W/m2 while the temperature at the surface is measured to..
a non flow system undergoes a reversible process according to law p4.5v2 where pressure p is in bar specific volume v
Data encountered in solving problems often do not fall exactly on the grid of values provided by property tables, and linear interpolation between adjacent table entries becomes necessary. Using the data provided here, estimate
a piston-cylinder assembly initially contains 0.15 m3 of steam at 20 bar and 320oc. the steam expands adiabatically
A steel plate of 950 kg accelerates from rest with 3 m/s^2 for a period of 10 s. What force (N) is needed and what is the final velocity ( in m/s and ft/s) ?
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