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A foundry that casts turbine blades inspects for eight features that are considered critical-to-quality. During the previous month, 1236 castings were produced. During inspection, 47 defects among the eight features were found, and 29 castings had one or more defects. Determine DPMO, DPM, and DUPM in a Six Sigma program for these data and convert each to its corresponding sigma level.
Discuss both the reasons for these discrepancies and ssible mechanisms by which such pollutants are formed in an actual engine. In a memorandum, summarize your findings and conclusions.
a bullet of mass m0 is fired horizontally with a velocity v0 into the slender bar of a pendulum of mass m and length l
The relationship between heat treatment and toughness and hardness i.e. briefly explain why the different heat treatments give different toughness and hardness values.
This problem related to Mechanical Engineering and the problem is about find the magnitude of velocity of a marble being projected on a 15 degree inclined plane. The computation has been given in the solution in detail
Calculate Reynolds number for the process and hence the head loss due to friction. State any assumptions made and calculate the minor head losses for the system using both the equivalent length method and the number of velocity heads method.
Nitrogen in a piston-cylinder assembly undergoes a polytropic expansion process. Initially, nitrogen is at 125 C and 144 kPa. Then it is expanded to a state of 102 kPa and 90 C. determine the heat transfer and work for the process considering no chan..
Liquid water at 26.67°C flows in a straight horizontal pipe in which there is no exchange of either heat or work with the surroundings. Its velocity is 40 ft/seg in a pipe with an internal diameter of 2.54 cm until it flows into a section where the p..
Air expands in an air turbine from a pressure of 50 psia and a temperature of 600°F to an exhaust pressure of 20 psia. Assume the process is reversible and adiabatic with negligible changes in kinetic and potential energy.
consider a rigid tank of the volume 15m3. this tank is connected to a steam supply line. the tank is initially
A rigid vessel contains 10 kg of steam. The steam is initially at 10 bar and 300C. After a period of time the pressure in the vessel is reduced to 1 bar due to heat transfer with the surroundings. The surroundings are at a constant temperature of 20C..
a 1600 kg supercar executes a rolling start and accelerates rapidly. the road is horizontal. neglect tire resistance
the piston has no mass and no friction. there is 2 kg of water and the initial temp is 99.61 c and initial volume is
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