Engineering, 13.08.2020 21:01 alondrabarraza
For a steel alloy it has been determined that a carburizing heat treatment of 10 hr duration will raise the carbon concentration to 0.45 wt % at a point 2.5 mm from the surface. Estimate the time necessary to achieve the same concentration at a 5.0 mm position for an identical steel and at the same carburizing temperature.
Answers: 3
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
Engineering, 04.07.2019 18:20
Acertain flow of air (at stp) has a velocity distribution given by v i (in ft/s). if this flow is going through a 4 ft square area in the yz-plane (centered at the origin), what is the mass flow rate (in lbm/s)?
Answers: 2
Engineering, 04.07.2019 19:10
With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.
Answers: 1
Engineering, 04.07.2019 19:20
Heat transfer by is the fastest mode of heat transfer that requires no intervening medium. a)-conduction b)-convection c)-radiation d)-conduction and convection
Answers: 1
For a steel alloy it has been determined that a carburizing heat treatment of 10 hr duration will ra...
Mathematics, 04.06.2021 16:10
History, 04.06.2021 16:10
Mathematics, 04.06.2021 16:10
Mathematics, 04.06.2021 16:10
Mathematics, 04.06.2021 16:10
Mathematics, 04.06.2021 16:10
English, 04.06.2021 16:10