Engineering, 14.02.2020 03:24 lorrainelopez
An FCC iron-carbon alloy initially containing 0.20 wt% C is carburized at 1400K and in an atmosphere that gives a surface carbon concentration constant at 1.0 wt%. After how many hours does the concentration of carbon reach at 0.35 wt% at a position 5.0 mm below the surface?
Answers: 1
Engineering, 04.07.2019 16:10
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Engineering, 04.07.2019 18:20
What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.
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Engineering, 04.07.2019 18:20
A2-m rigid tank initially contains saturated water vapor at 100 kpa. the tank is connected to a supply line through a valve. steam is flowing in the supply line at 600 kpa and 300 c. the valve is opened, and steam is allowed to enter the tank until the pressure in the tank reaches the line pressure, at which point the valve is closed. a thermometer placed in the tank indicates that the temperature at the final state is 200°c. determine (a) the mass of steam that has entered the tank (b) the amount of heat transfer.
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Engineering, 04.07.2019 19:10
Abarometer contains mercury with a density of 13600 kg/m3. atmospheric conditions are 95.8 kpa and 20 °c at 20 °c, the vapor pressure of the mercury is 0.000173 kpa. the column of mercury will rise to a height of most nearly. select one: a)- 0.38 m b)- 0.82 m c)- 0.48 m d)- 0.72 m
Answers: 1
An FCC iron-carbon alloy initially containing 0.20 wt% C is carburized at 1400K and in an atmosphere...
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