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1. Compare the percentage increase in the yield strength of commercially pure annealed aluminum, magnesium, and copper by strain hardening. Explain the differences observed.
2. We would like to produce a quenched and tempered aluminum bronze containing 13% Al. Recommend a heat treatment, including appropriate temperatures. Calculate the amount of each phase after each step of the treatment.
acetone as a saturated liquid at 2280 mm hg is fed to a vaporizer. the product from the vaporizer is a superheated
What sources of information have been used, where materials/information from this sources is quoted it must be clearly referenced using the Harvard Referencing System - calculated the electricity consumption of all household appliances in the home..
Calculate the minimum power required to convert 1 mole/sec of oxygen gas at 298 K and 1 atm to saturated liquid oxygen at 1 atm and 90.13 K (the atmospheric pressure boiling temperature) in a process in which heat is rejected to the environment at 29..
steam at 3 mpa and 400 degc is expanded to 30 kpa in an adiabatic turbine with an isentropic efficiency of 92 percent.
An air-standard Otto cycle has a compression ratio of 6. At the beginning of compression, the pressure is 100 kPa and the temperature is 300 K. During the heating process, the temperature is raised to 2500 K. Assume that the cold air-standard assumpt..
a 12x36 and 9 high empty prism composed of a material with an elastic modulus of 345000 psi 9000 psi yield stress the
The effect on temperature and density of air under adiabatic compression, Air is going through a compressor
what is the maximum constant speed in miles per hour a stock car can travel around the 1000 ft radius turns that are
A closed gas turbine unit uses neon as the working fluid. There are two stages of compression with inter cooling from 480kPa and 290K to a maximum pressure of 2.75MPa with an intermediate pressure of 1149kPa. The regenerator has an effectiveness of 6..
given that the relaxation time a is 177.46 days what is the activation energy of a rubber band if the pre-exponential
atmospheric air at 300k and 100kpa is to be delivered to a line at 600k 200kpa. two possible schemes for doing this are
When gasoline is burned in the cylinder of an engine, it creates a high pressure that pushes on the piston. If pressure is 100 pound-force per square in, and it moves the 4 inch diamater piston a distance of 4cm in 0.1 second, how much horce power..
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