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Write a computer program that for a given state of plane stress and a given yield strength of a ductile material, can be used to determine whether the material will yield. The program should use both the maximum shearing-strength criterion and the maximum-distortion-energy criterion. It should also print the values of the principal stresses and, if the material does not yield, calculate the factor of safety.
An inspector is paid $10/hr and can sort 10 rings/min. Assume that a new method allows her to sort 20 rings/min but costs $500 to implement. Is it worth implementing the new method for a batch of 50,000 rings? At what point does the new method pay of..
An increment of vertical stress of150kpa compress the sample to a void ratio of1.43. What is the over consolidation ratio of the soil at the unloaded condition.
a trapezoidal canal 6m wide at the bottom and having a side slope of 1v2h carries water with a mean velocity of 1.0ms
At the instant when angle theta= 50 degree, the horizontal guide is given a constant upward velocity v0 = 1.3 m/s. For this instant calculate the force N exerted by the fixed circular slot and the force P exerted by the horizontal slot on the 0.60..
An old wooden telephone pole with a single cross member was blown off center during a recent storm. To temporarily stabilize the telephone pole, a repair crew has attached a cable from the end of the cross member to an eye-ring stake anchored in the ..
Are either of the Ax or Jx forces relevant to finding the tension between H and J. If so, what is the easiest way to solve for those 2 unknowns.
For the beam shown be low, derive the equation of motion in the ∞- and y-directions. Recall that the deformation of a bar along its axis
A 30 feet column is braced at the mid-section to prevent premature failure. If the maximum load is 380 kips, select an appropriate W14 section, if any, to support the loading conditions.
Two chambers, A and B both have manometers with the same fluid with specific gravity 1.4. When h(sub a) = 6 cm and h(sub b) = 4 cm, what is the gage pressure in chamber A
A hortizonal rectangular concerte channel terminates in a free outfall. The channel is 4 m wide and carries a discharge of waterr of 12 cubic meters per second. What is the water depth 300 m upstream from the outfall?
The specific heat of the solution can be assumed to be constant at 4.18 kJ kg-1 K. The latent heat of evaporation is 2270 kJ kg-1 for the feed and steam, the boiling point rise is 15 K. The feed temperature is 303 K.
Fluids A and B ave specific gravities .75 and 1.00 respectively. If the mercury is used as manometer liquid determine the pressure difference between A and B
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