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You are considering two different diffusion processes involving Carbon into FCC iron. The first process is carried out at 900 oC for 3 hours and produces a carbon concentration of 0.20 wt% at a depth of 2 mm. At what depth would this concentration occur if a similar process at 1100oC for 2 hours was performed (on the same type of steel with the same surface concentration of carbon applied)?
a drilling operation is required to machine 82.0 in. diameter holes on a 20 in. diameter bolt cirile workpiece
a solid circular shaft and a tubular shaft both with the same outer radius of cc0 0.600 are being considered for a
Carbon content of steel, A steel contains 55% alpha-ferrite and 45% gamma-ferrite or austenite at 750 degrees celcius. What is the carbon content of steel?
an ideal otto cycle has a compression ratio of 8. at the beginning of the compression process air is at 95kpa and
compute the second specimen's radius after deformation.
A rigid tank contains 10 lbm of air at 30 psia and 65°F. The air is now heated until its pressure doubles. Determine (a) the volume of the tank and (b) the amount of heat transfer.
consider a hot automotive engine which can be approximated as a 0.5-m-high 0.40-m-wide and 0.8-m-long rectangular
determining initial acceleration of a projectilehow can i proceed to solve the problem below?the problema projectile
a 1 hp electric motor drives a water pump. the pump volumetric flow rate is 2103 m3s at 300 k.a determine the head loss
Refrigerant 22 enters an insulated compressor operating at steady state as saturated vapor at -16oC with a mass flow rate of 1.5 kg/s. Refrigerant exits at 7 bar, 70oC. Changes in KE and PE from inlet to exit can be ignored.
Five kg of water is in a closed rigid container with a volume of 0.3935 m3 and a pressure of 5.0 MPa. Draw and label the states and process on a P-v diagram and determine the amount of heat removed and work done when the pressure is reduced to 1.5 MP..
a well insulated turbine operating at steady state develops 28mw for a system with flow rate of 50 kgs. the superheated
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