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Determine the maximum tensile, compressive, and shear stresses at points A and B on the bicycle pedal crank shown in the figure.
The pedal and crank are in a horizontal plane and points A and B are located on the top of the crank. The load P = 160 lb acts in the vertical direction and the distances (in the horizontal plane) between the line of action of the load and points A and B are b1= 5.0 in., b2= 2.5 in. and b3 = 1.0 in. Assume that the crank has a solid circular cross section with diameter d 0.6 in.
an ideal gas p? mrt is heated at constant volume until its temperature is doubled and then cooled at constant pressure
question 1approximate the torque and power necessary to rotate the inner 20 cm diameter cylinder shown in figure 1. sae
1 what cooling air flow rate would be required to maintain a space at 72 degrees f if it had a sensible cooling load of
The overall heat transfer coefficient based on the gas-side surface area is Uh 100 W/m2 · K. Determine the required gas-side surface area Ah using the NTU method.
Two plates are suspended vertically in 20 C atmospheric air forming a channel of width 18cm. The plates are 3m high and are maintained at a temperature of 275 C. If the channel is 5 m deep, find the convective heat transfer in the channel
A steel alloy is known to contain 93.65 wt% Fe, 6.0 wt% Mn, and 0.35 wt% C. What is the approximate eutectoid temperature of this alloy?
a steam pipe of 120 mm outside diameter and is covered with a 20 mm thick layer of calcium silicate insulation k
determine the microstructure for eutectoid steel that has undergone the following heat treatment. for each heat
A commercial refrigerator with refrigerant- 134a as the working fluid is used to keep the refrigerated space at 235°C by rejecting waste heat to cooling water that enters the condenser at 18°C at a rate of 0.25 kg/ s and leaves at 26°C.
measurements of the diameters of a random sample of 200 ball bearings made by a certain machine during one week showed
How to decide which type of thread fasteners use for any design? what's the advantage and disadvantage?
a refrigerator with a coefficient of performance of 4 transfers heat from a cold region at -20c to a hot region at 30c.
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