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Consider a metal that is subjected to cold working by rolling it to a lesser thickness or hammering it. (a) Would you expect the yield strength to be affected by this; and if so, should it increase of decrease? Justify your answer. (b) Answer the same question for ductility of the material. b. Explain how you can experimentally measure Poisson's ratio of isotropic materials. c. Explain why thermoplastic polymers typicallyexhibit highertoughness than thermosetting polymers.
Determine the smallest horizontal force required to pull out wedge A. The crate has a weight of 200 and the coefficient of static friction at all contacting surfaces is = 0.7. Neglect the weight of the wedge.
a truck travelling along a straight road at speed 20 km/hr increases its speed to 120 hr/hr in time 15 sec.If its acceleration is constant, determine the distance traveled.
Find the minimum power of the pump
Water is pumped from a lake at ambient pressure
What is differential levelling? list the procedure for carrying out a differential levelling exercise where one point is beyond the range of the instrement . 100 word limit
Determine distribution of shear force and bending moment
assuming that steam can be treated as an ideal gas what would the specific volume of steam be at 600deg f and 120 psia
A ball is thrown vertically up with a velocity of 91 ft/sec at the edge of a 190-ft cliff. Calculate (a) the height h to which the ball rises and (b) the total time t after release for the ball to reach the bottom of the cliff.
A house is maintained at 1 atm and 24 C and warm air inside a house is forced to leave the house at a rate of 150 m^3/h as a result of outdoor air at 5C infiltrating into the house through the cracks. Determine the rate of net energy loss of th..
Vector integral - stokes therom, Evaluate the line integral by stokes theorem (clock wise as seen by a person standing at the origin).
A similar measurement is made applying the force parallel to one of the cube axes. Explain why the two measurements give different values of the elastic modulus.
find the stresses in a point of a rod that is fixed to a wall and have a load in the edge or better known as a cantilever.
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