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A 15-mm-diameter, 20-mm-long steel roller is subjected to a load of 150 N per axial millimeter, as it runs on the inside of a steel ring of inside diameter 75 mm. Determine the value of the maximum contact pressure and the width of the contact zone.
Determine the outdoor (ventilation) air requirements for this unit based on the selected occupancies.
Which process will have higher material utilization and b.What metal processing techniques are most similar to these two plastics manufacturing processes?
To reduce costs and the environmental impact of commuting, your company decides to close a number of offices and to provide support for staff to work from home.
A cannonball is shot from a boat that's initially moving at 3 m/s in the i direction and subsequently strikes the dock at 300 m/s. The cannonball's mass is 5 kg and the boat's mass is 300 kg. Assume that for all the time that the cannonball was being..
a hot air balloon approx as a sphere of diameter 50ft is to lift a basket load of 600lbf. to what temperature must the
air in a piston-cylinder device has 400 degrees f 1000 kpa with a volume of 3.5 ft3. combustion heats it to 1500 k in a
a piston-cylinder device contains 0542 kg of refridgerant -134a at -10 degrees c. the piston is free to move has a mass
The coefficients of friction are µs = 0.30 and µk = 0.25. Determine the magnitude of the couple being applied to the flywheel, knowing that P = 45 N and that the flywheel is rotating counterclockwise at a constant speed.
A small, high-speed turbine operating on compressed air produces a power output of 0.1 hp. The inlet state is 120 psi, 200°F, and the exit state is 14.7 psi, - 20 F. Assuming the velocities to be low and the process to be adiabatic, find the required..
Answer the following true or false. Explain. (a) A refrigerant at an absolute pressure of 0.8 atm is at a gage pressure of 0.2 atm.
thermodynamically analyze a hydrogen joule-thomson cycle ment to liquify hydrogen with isothermal compression occurring
what is the primary growth front? what is the secondary growth front? what happens when they approach each other? what
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