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1. How many grams of nickel must be added to 500 grams of copper to produce an alloy that has a liquidus temperature of 1350°C? What is the ratio of the number of nickel atoms to copper atoms in this alloy?
2. How many grams of nickel must be added to 500 grams of copper to produce an alloy that contains 50 wt% a at 1300°C?
Calculate the axial force N, shear force V, and bending moment M at section C, which is just to the left of the vertical arm.
A sandbag is dropped from a balloon which is ascending vertically at a constant speed of 6m/s. If the bag is released with the same upward velocity of 6m/s when t=0s and hits the ground when t=8s, neglecting air resistance,
A water filled manometer is attached to the inlet and the test section of a low speed wind tunnel which has the contraction ratio of 3. what would be the pressure difference between the inlet and the test section in terms of inches of water in order ..
You have a large pin made from aluminum with a diameter of 0.01 m. This pin is needed to hold something from the ceiling. You install the pin into a hole of diameter 0.01 m in a piece of tungsten; assume a "perfect press fit". It was very hot, 323K, ..
Find the turbine's (b) isentropic efficiency (%), (c) reversible work (kJ/kg), (d) irreversibility(kJ/kg), and (e) exergy destruction (kJ/kg). (f) Draw a T-s diagram of the process
1. Sketch portions of a linear polypropylene molecule that are (a) syndiotactic, (b)atac- tic, and (c) isotactic. 2. Sketch cis and trans structures for (a) buta- diene, and (b) chloroprene.
Figure 16-22 on the next page shows the stress-strain curve for an elastomer. From the curve, calculate and plot the modulus of elasticity versus strain and explain the results.
As shown in the sketch, water flows at 2550 kg/s from a very large reservoir through a penstock (pipe) to a hydro turbine. The water exits the turbine through a 0.5 m diameter pipe. The reservoir surface is 30m above the location where the water exit..
if the isentropic efficiency of the compressor is 72 and the pressure ratio is 2.21 for an inlet pressure and
write a c program calls a function to read a list of n integer values from user input. if user inputs -999 the
A piston cylinder holds air at 80 F and 15 psi. During an adiabatic process the pressure is increased to 165 psi and the entropy generated is 0.15 BTU/lb-R. Determine the isentropic efficiency for this process.
Use the function for thermodata evaluation in the matlab toolbox to compute species thermodata and kp of the reaction 2CO2= 2CO + O2 for T=3000K. Solve the equilibrium concentration manually by solving the progress variable first (Show the procedure)..
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