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A company is negotiating with a potential supplier for the purchase of 10,000 widgets. The company estimates that the supplier's variable costs are $5 per unit and that the fixed costs, depreciation, overhead, and so on, are $5000. The supplier quotes a price of $10 per unit. Calculate the estimated average cost per unit. Do you think $10 is too much to pay? Could the purchasing department negotiate a better price?
Working with boiler suspension bolts. An HRT boiler is 4766mm long and 3533mm in diameter. It has 66 steel tubes with a diameter of 9mm. The total dry weight of the boiler is 2.565 tonnes
you are interested in determination of a steady state temperature profiles in a cylinder conducting the electrical
Derive the radial equilibrium equation for an incompressible fluid flowing with axisymmetric swirl through an annular duct. Air leaves the inlet guide vanes of an axial-flow compressor in radial equilibrium and with a free-vortex tan genital veloc..
Calculate the annual payments for a solar system whose initial extra cost is $10,000. Assume that the interest rate is 8% and the mortgage term is 15 years.
a mass of 12 kg refrigerant 134a initially exists as a saturated vapor in a piston cylinder device at 240 kpa. then 300
Compare the time constants RF CF with the period of the waveform for parts (a) and (b). What can you say about the time constant and the ability of the circuit to integrate?
Solve the preceding problem for the following data: diameter 1.0 m, thickness 48 mm, pressure 22 MPa, modulus 210 GPa, and Poisson's ratio 0.29.
one part of the tank contain 2.5 kg of compressed liquid water at 60 C and 600 kPa while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. Determine the final temperature of the water and the..
compute and plot the chemical potential surface microtp for a monoatomic ideal gas in the range 5 klttlt1000 k and 10-5
A pitot-static tube is connected to a differential manometer using water at 40°C as the gage fluid. The velocity of air at 40°C and atmospheric pressure is to be measured, and it is expected that the maximum velocity will be 25 m/s. Calculate the ..
A dynamic compression force,F = 3.5 + 3.5cos (45t) kN is applied to the rod of an ideal cylinder with a bore diameter of 8.4 cm (take note that the force is in kN) (a) Assuming the rod-side of the cylinder is at atmospheric pressure, what gauge press..
boltzmanns constant is equal to 11.7 x 10-8 calcm2dk4. write a vba statement to assign the value of boltzmanns constant
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