The elastic modulus Poisson\'s ratio the ultimate tensile strength the yield str

Question

The elastic modulus Poisson's ratio the ultimate tensile strength the yield strength the proportional limit As the temperature is increased, the length of a solid will vary increase linearly with temperature remain constant decrease linearly with temperature increase exponentially with the inverse of temperature none of the above Extensive cold working of a metal will increase hardness, decrease yield strength, decrease increase hardness, increase yield strength, decrease decrease hardness, increase yield strength, increase increase hardness, increase yield strength, increase none of the above

Explanation / Answer

1. d) yield strength

2.c)decreases linearly with temperature

3.c) decreases hardness increases yield strength and increses temperature

4.a)higher strength lower ductility and more dislocation

5.d) decreasing the grain size

6.c) the bar experiences 30000pa tensile strength

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