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A steel tube has a mean diameter of 100mm and a thickness of 3 mm. Calculate the torque which can be transmitted by the tube with a factor of safety of 2.25 if the criterion of failure is (a) maximum shear stress; (b) maximum strain energy; (c) maximum shear strain energy. The elastic limit of the steel in tension is 225 MN/m2 and Poisson's ratio v is 0.3.
design a symmetric 4-bar mechanism optimized for a constant velocity of 150 insec over a straight line motion of 8 such
design a container using differentiation that has a volume of 2500 litres. it must use the minimum amount of material.
The floor space of any facility that houses shell-and- tube heat exchangers must be sufficiently large so the tube bundle can be serviced easily. A rule of thumb is that the floor space must be at least 2.5 times the length of the tube bundle s..
an engineer determines that a 40 cm long rod of 1020 grade steel will be subjected to a tension of 20 kn. the following
Determine the values of the constants A and σ o for the material. [Remember that the tensile strength is the maximum engineering stress.]
Consider just the vertical (y) response of the system when the beam is being stretched. Show that the spring constant, ka, is approximately 70.6 mN/m. What is the steady state amplitude of the vertical response? See Figure A below for an engine..
the rotating parts of a front wheel assembly of a car have a total mass of 35 kg and are measured to be out of balance.
the average wind speed on the north texas plains around amarillo is approximately 6 ms. an efficient wind turbine can
consider a cylinder transistor diameter 0.4 cm and length 0.5 cm that dissipated 0.2w power onto 30c transistor1
an incompressible fluid flows past in a solid plate.the x and y coordinates are measured from the leading edge of the
an air standard dual cycle has a compression ratio of 18 and a cutoff ratio of 1.1. the pressure ratio during the
a solid hollow tube thin wall with pin in the bottom and the top part is connect with another tube and there is a force
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