Determine the average normal stress at the section
Determine the average normal stress at the section a-a and the average shear stress at section b-b in member AB. The cross section is square, 0.5 in. on each side.
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A feedwater heater uses extracted steam ( P1=500kPa,x1=100%) to preheat feedwater ( T2=50 celcius, P2=500kPa). Assuming no heat transfer to the surroundings, determine the temperature of exiting misture (stream 3) if m1/m3= 0.075
Molybdenum forms a substitutional solid solution with tungsten. Calculate the concentration (in weight percent) of molybdenum that must be added to tungsten to yield an alloy.
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If the frequency is variable and the length of the closed (at both ends) tube is fixed at 45 cm, sketch the plastic tube showing the positions of the nodes and anti-nodes for the three lowest resonant frequencies.
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A steam pipe is covered with 1.50 cm thick insulating material of thermal conductivity .2000 cal/cm degress C s. How much energy is lost every second when the steam is at 205 degrees C and the surrounding air is 15.0 degrees C.
The drag characteristics of an airplane are to be determined by model tests in a wind tunnel operated at an absolute pressure of 1300 kPa.
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