Engineering, 24.10.2019 23:43 Manuel2019
After a 27-hour heat treatment at 1000°c (and subsequent cooling to room temperature), the concentration of a is 3.8 wt% at the 14.4-mm position within metal b. if another heat treatment is conducted on an identical diffusion couple, this time at 880°c for 27 hours, at what position will the composition be 3.8 wt% a? the preexponential and activation energy values for the diffusion of a in b are 3.7 × 10-6 m2/s and 152 kj/mol, respectively. x = enter your answer in accordance to the question statement mm
Answers: 2
Engineering, 03.07.2019 23:20
Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct
Answers: 3
Engineering, 04.07.2019 18:10
What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.
Answers: 2
Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
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Engineering, 04.07.2019 18:10
True or false (explain) (110)[111] is a slip system in bcc metals . the {111} family in fcc contains 8 planes. resolved shear stress (rss) in single crystals is just related to the applied stress. critical resolved shear stress (crss) in single crystal metals is direct proportional to the number of defects in the structure
Answers: 2
After a 27-hour heat treatment at 1000°c (and subsequent cooling to room temperature), the concentra...
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