1. You should when working with power tools.
A)O Ensure that machine guards are in place
B)O Secure your work with a clamp or vise
C)O Keep your work area clean
D) G Alof the above

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

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.