Determine the strength coefficient and the strain hardening
In a tensile test on a metal specimen , true strain = 0.08 at a stress = 265 MPa . When true stress = 325 MPa, true strain = 0.27. Determine the strength coefficient and the strain -hardening exponent in the flow curve equation.
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Find (a) the heat transfer in the heat exchanger (kW) (b) the power output of the turbine (kW). Explain thought process and tables used.
Find the probability that a given class period runs between 50.75 and 51.5 minutes. Find the probability of selecting a class that runs between 50.75 and 51.5 minutes. round to three decimals.
The outer surface of a grill hood is at 47 degrees Celsius and the emissivity is (0.93). the heat transfer coefficient for convection between the hood and the surroundings at 27 degrees celsius is 10 (Watt/ meter squared) times Kelvin.
Assume the December low temperature distribution is normal. It is of interest to know if the sample data suggest the average low temperature is lower than 12F. Perform an appropriate hypothesis test using the .01 level of significance. (You should
The hot-air balloon shown below is tethered with three mooring Cables. The force Tb in cable DB has a magnitude of 2230 N.Determine the magnitude of the rectangular component of the force Tb along DA.
Find the indicated z score. The graph depicts the standard normal distrubtion with mean 0 and standard deviation 1. the indicated z score is? round to two decimal places. z 0 the shaded region is 0.2451
Two tubes are available for a particular application: (1) 4.0 cm diameter circular tube and (2) 4.0 cm square tube. Calculate the heat transfer for both geometries if the length of each tube is 1 meter.
In a Brinell hardness test, a 1500-Kg load is pressed into a specimen using a 10-mm diameter hardened steel ball. The resulting indentation has a diameter = 3.2 mm
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