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A 32mm rebar with a guage length of 200mm was subjected to tension to fracture according to ASTM E-8 method. The load and deformation data were as shown in table below.
Load(kn) Displacement(mm) Load Displacement0 0 472.9 8.462.2 .1 487.1 9.7188.9 .2 496.4 11.1329.8 .4 505.7 12.4383.4 1.7 512.8 13.7426 4.0 522.6 15.3447.3 5.9 532.4 18.5462.5 7.2 525.9 22.4
a Using a spreadsheet program obtain the following:
a) a ;lot of the stress strain realtionship.
b) a ;oot of the linear portion of the stress strain relationship.
c) proprotional limit
d) yield stress
e) ultimate strength
f) if the rebar is loaded to 390kn only ad then unloaded, what is the premantnt change in length.
Uniform deposits were made on January 1 of 1991, 1992, 1993, and 1994 into a fund intended to provide $1000 on January 1 of 2005, 2006, and 2007. What were the size of these deposits
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A particle travels along a straight line with a constant acceleration. When s=4ft, v=3ft/s and when s=10ft, v=8ft/s. Determine the velocity as a function of position.
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A 6.6 mA current is flowing through a 47 kilo-Ohm, 5% tolerance, 2-watt resistor. If the resistor values are uniformly distributed, how many resistors out of a package of 100 would you expect to burn up
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