3 Select the correct answer.
Which axes define the rotational movement of a CNC system?
Ο Α.
X-axis, y-axis, Z-axis
OB
X-axis, Y-axis, Z-axis
Ос.
A-axis, B-axls, and C-axis
OD
L-axis, M-axis, and N-axis
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Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.

Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.

Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.