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find densities, enthalpies and efficiency for gas turbine power cycle with the following conditions:
T1- 288K P1-100KPAT2-680K P2-1400KPAT3-1550K P3-1400KPAT4-915K P4-100KPA
Calculate the concentration (in weight percent) of molybdenum that must be added to tungsten to yield an alloy that contains 1.51 x 1022 Mo atoms per cubic centimeter.
assuming that the solid shaft has been replaced by a hollow shaft of the same cross-sectional area and with an inner diameter equal to half of its own outer diameter.
a simple pulley with the given radius r used to lift heavy objects is positioned 10 feet above ground level. Given that the pulley rotates theta degrees, determine the height to which the pulley is lifted.
Finding Metal Removal Rate In an electrochemical machining operation, the frontal working area of the electrode is 2.5in squared
a first class lever in static equilibrium has a 50lb resistance force and a 15lb effort force. the levers effort force is located 4ft from the fulcrum. what is the actual mechanical advantage of the system?
What is the work you get out of each kJ of heat extracted from the basin? Repeat for the case that the water is at 100C. Comment on why efficient car engines run so hot.
When these stops occur, it takes an average of 10.0 min to diagnose the problem and make repairs. Determine (a) line efficiency and (b) average actual production rate.
Verify that heating the wire may be treated as a lumped-capacity process, find the steady-state temperature of the wire and find how long it takes for the temperature of the wire to reach 100°C.
Evaluate the shearing and normal stresses at points H and J located at the ends of the horizontal and vertical diameters of transverse section located 2.5 in. to the left of bearing B.
Assuming that the bomb is perfectly insulated what is the temperature of the air in the bomb at the end of filling process? Assume air is an ideal gas with constant specific heats in a ratio Cp/Cv = γ = 1.4 and constant R= 287 J/kg K.
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
How does artificial aging affect KIC in a 7075 alloy? Which is likely to have a higher KIC: 7075-T6 or 7075-T7? Explain.
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