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Consider the following dimensions for the differential band brake of Figure 18.17, which uses a woven lining having a design value of f = 0.20. Radius of drum = 4 in., band width = 1 in., c = 9 in., a = 2 in., s = 0.5 in., and f = 270°. Find
(a) the brake torque if the maximum lining pressure is 75 psi,
(b) the corresponding actuating force F, and
(c) the values of dimension s that would cause the brake to be self-locking.
1. What is the fugacity coefficient for pure, superheated steam at 300oC and 1.2 MPa? 2. Benzene has a boiling point equal to 80.1oC at atmospheric pressure (1.013 bar). The molar volume of benzene is 9.004 * 10 -5 m3/gmol. What is the fugacity of ..
if a mass of cobalt is replaced by a compound with a density of 4.13 mgm3 and results in a mass reduction of 0.79 kg
a 100 lbm liquid-vapor mixture of water in a rigid container with a volume of 3 ft3 at a temperature of 100of is heated
Illustrate six typical application of primary cells and illustrate six typical applications of secondary cells.
a 1.8 m x 1.5 m composite wall separates a furnace from the rest of the room in which it is located. the wall is made
Estimate the write and erase times (using the Fowler-Nordheim tunneling formulae for a triangular barrier given in chapter 3) and give the oxide thicknesses and programming voltage for the same write and erase times to make the p-channel as fast a..
Headline from the Chapel Hill News: "There is enough energy in our garbage to replace all the oil we presently get from Iraq and Iran." Using your knowledge as a solid waste engineer, write a helpful letter to the editor.
A horizontal hammermill shredder is to process 8 tons/hour of MSW to a characteristic size (x0) of 0.7 in. What grate spacing and horsepower would be required to accomplish this?
Air enters a turbine at 40 kN/m2, 900 C, and leaves at 10 kN/m2. The flow is reversible and adiabatic. Inlet velocity is quite low and outlet velocity is 150 m/s through a cross-sectional area of 0.20 m2. Calculate the power output in kW.
an air conditioner running with r-134a on a cycle executed under the saturation dome between the pressure limits of 0.8
what would be the energy absorbed if a 60-lb 31.5-in pendelum was released from an angle of 50 degrees hit a test bar
If the glas is shaken, it will be observed that the water level remains the same, but the level of the sand decreases. If this level now indicates a total volume of 128 cm3 , calculate the porosity and the void ratio after shaking.
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