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A 14 mm diameter 50 mm long mild steel rod undergoes a stress test. A tensile force of 18800 N is applied and the rod extends by 0.03 mm. Calculate (i) the nominal stress and strain and (ii) Young's Modulus 2) A tensile force of 4200 lbs is applied to a 9 feet long 8515 Brass rod. An elongation of 0.36 inch is measured on the rod. Using true stress and true strain relationships compute the diameter of the rod. For 8515 Brass k=58000 psi, and n=0.34. 3) A 300 mm wide 25 mm thick steel strip is fed through a rolling mill. The roller radius is 250 mm and the output thickness is 22 mm at a roll speed of 50 RPM. For the steel material K=275 MPa and n=0.15. Calculate the required roll motor horsepower.
write a reflective assessment of how you rate yourself against these competencies and Describe the main learning outcomes that this course and the EWB project have generated for you over the semester. Have any of these learning outcomes been a ..
calculate the vertical displacement at D and the horizontal displacement at Free-Body Diagram should be recalculated with P and Q.
a stack gas flowing at 80 m3min at t 25 degree c and 1 atm contains approximately 75 n2 5 o2 8 h2o and 12 co2. a
Assuming saturated properties out of the evaporator and condenser
a water tower supplies water for a ten story building. water flows from a faucet on the first floor with a maximum
Calculate the modulus of elasticity of the aluminium alloy. Use the modulus to determine the length of a 1.25 m bar to which a stress of 210 MPa is applied.
The link lies in a plane parallel to the y-z plane and the bearings are properly aligned on the shaft.
a planet operation has fixed costs of 2000000 per year and its output capacity is 100000 electrical appliances per
consider an alcohol and a mercury thermometer that read exactly 0 c at the ice point and 100 c at the steam point. the
Calculating temperature, water evaporation, and heat in a power plant cooling situation. In a nuclear power plant the cooling tower system must be run on a closed cycle.
Calculate the number of vacancies per cubic meter in gold at 900°C. The energy for vacancy formation is 0.98 eV/atom. Furthermore, the density and atomic weight for Au are 18.63 g/cm3 (at 900°C) and 196.9 g/mol, respectively.
a simple wheatstone bridge as shown in fig. 7.10 is used to determine accurately the value of an unknown resistance r1
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