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A thin walled tube with closed ends has an inside radius of 80mm and a wall thickness of 6 mm. It is subjected to an internal pressure of 20 MPa, a torque of 60 kN*m, and an axial compressive force of 200 kN. Determine the maximum normal stress and the maximum shear stress.
Two uniform rigid hemispheres, each of mass M and radius a are placed in contact with each other so as to form a complete sphere. Find the forces necessary to pull the hemis
The drive to a flywheel is disconnected and in 30 s it is seen to have rotated through 120 revolutions; 30 s later it finally comes to rest. Assuming the angular retardation
Air, an ideal gas, is isentropic ally compressed from V1 = .36 ft^3, P1 = 14.5 psia, T1 = 70 F, to V2 = .03 ft^3 (compression ratio = 12). Find T2, P2 and W (work in Btu) for
Calculate the thermal efficiency of the cycle if the state entering the turbine is 3500 lbf/in.2, 1100 F, and the condenser pressure is 1 lbf/in.2. What is the steam quality
14. For each of the following F values, indicate whether the F is statistically significant at the specified alpha level:a. F = 4.80, df = 4, 40 α = 0.01b. F = 5.02, df = 3, 6
A 24-tooth gear has AGMA standard full-depth involutes teeth with diametral pitch of 5. Calculate the pitch diameter, circular pitch, addendum, dedendum, tooth thickness and c
Nitrogen gas at 65kPa and 7C enters an adiabatic diffuser steadily with a velocity of 210 m/s and leaves at 119kPa and 22C. Determine the exit velocity of the nitrogen. the r
A cantilever 5 m long carries a uniformly distributed vertical load 480 N per metre from C from H, and a concentrated vertical load of 1000 N at its midlength, D. Construct th
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