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A piece of equipment originally costing $40,000 was put into use 12 years ago. At the time the equipment was put into use, the service life was estimated to be 20 years and the salvage and scrap value at the end of the service life were assumed to be zero. On this basis, a straight-line depreciation fund was set up. The equipment can now be sold for $10,000, and a more advanced model can be installed for $55 000 Assuming the depreciation fund is available for use, how much new capital must be supplied to make the purchase?
At a power angle of 30°, the power developed by the motor is 33 kW. Determine the reactive kVA of the motor, and the overall power factor of the motor and the load.
Hydrogen gives off 120. J/g of energy when burned in oxygen, and methane gives off 50. J/g under the same circumstances. If a mixture of 5.0 g of hydrogen and 10. g of methane is burned, and the heat released is transferred to 50.0 g of water at 2..
What acid and what strong base would react in aqueous solution to produce the following salts in the formula equation? Write the balanced formula equation for each reaction.
For the rocket in Problem 6 determine the approximate chamber pressure, thrust, and duration at 245 and 328 K. Assume the temperature sensitivity (at a constant value of Ab /At) of 0.01%/K does not change with temperature.
Does fermenting vegetables increase the natural citric acid content since all fruits and vegetables contain it? Thanks for any help you can offer.
Determine the engine system mixture ratio and the system specific impulse.
Use equilibrium data from Appendix A.3. Bynumerical or graphical integration, determine NG.Calculate the tower height. (Note: Theequilibrium line is markedly curved, so numerical integration is necessary even for dilutemixture.) (Ans. NG=8.47 tran..
The critical temperature and pressure of acetonitrile are 548 K and 47.7 atm, respectively.
Calculate the average mechanical torque needed to turn the coil and generate power for the resistor. Identify the action of the device as that of a motor or a generator.
Determine the delta connected load impedances if the system voltage is 440 V. With the information given, is it possible to find whether the load impedance is capacitive or inductive in nature?
Will the new design conduct heat better? Explain. Assume perfect contact between the layers
What is the phase of a mixture that contains 60% dioxane at 308.5 K, 0.1 bar?
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