Engineering, 25.11.2019 22:31 AniyahM17
After a 27-hour heat treatment at 1050â°c (and subsequent cooling to room temperature), the concentration of a is 3.1 wt% at the 15.4-mm position within metal b. if another heat treatment is conducted on an identical diffusion couple, this time at 840â°c for 27 hours, at what position will the composition be 3.1 wt% a? the preexponential and activation energy values for the diffusion of a in b are 2.7 ã 10-6 m2/s and 160 kj/mol, respectively.
Answers: 2
Engineering, 04.07.2019 12:10
On a average work day more than work place firs are reorted
Answers: 1
Engineering, 04.07.2019 16:10
The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.
Answers: 1
Engineering, 04.07.2019 16:10
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
After a 27-hour heat treatment at 1050â°c (and subsequent cooling to room temperature), the concentr...
Mathematics, 18.11.2020 22:40
English, 18.11.2020 22:40
Social Studies, 18.11.2020 22:40
English, 18.11.2020 22:40
English, 18.11.2020 22:40
Medicine, 18.11.2020 22:40
Mathematics, 18.11.2020 22:40