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A torsion bar is used as a suspension element for a vehicle. The bar has a diameter of 20mm. It is subjected to a torsional moment of 450Nm and an axial tensile force of 36.0kN. Draw a stress element on the surface of the bar and then draw the Mohr's circle for the element, find the principal stresses, the maximum shear stress, and also the principal and shear plane angles. What are the minimum yield strength and ultimate tensile strength required to satisfy following failure theories (assume that design factor, F=2): 1.Maximum Normal stress Theory 2. Maximum Shear Theory 3. Distortion Energy Theory.
the 65-mm diameter steel shaft is subjected to the two loads that act in the directions shown. if the journal bearings
a gas turbine unit has compressor inlet conditions of 100 kpa and 310 k. the compressor discharge pressure is 700 kpa
the rod assembly is used to support the 250lb cylinder. determine the components of reaction at the ball and socket
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underground water is to be pumped by a 70 efficient 3-kw submerged pump to a pool whose free surface is 30 m above the
an accelerometer was used to measure the vibrations of machinery. the sensor output was acquired during an experiment
A quick return mechanism is to be designed with a time ratio=1.22 and a cycle time of 0.2sec. What is the required crank speed (rad/s)? What are theta 1 and theta 2?
A piston-cylinder device with a set of stops initially contains 0.6kg of steam at 0.8MPa and 500°C. The location of the stops corresponds to 60percent of the initial volume. Now the steam is cooled. Determine the compression work of the final state ..
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one way to put a steel wheel on a steel axel for example on a railroad car is to heat the wheel until it slides on the
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