Author Question: Derivative action in a proportional derivative controller ________ A) Eliminates steady-state ... (Read 317 times)

Bob-Dole · **on:** Jul 28, 2018

Derivative action in a proportional derivative controller ________

A) Eliminates steady-state error B) Reduces the quickness of system response
C) A and B D) None of the above

Question 2

The scan time ________.

A) Starts with the last rung and works up to rung 0
B) Is usually never over 1 millisecond
C) Is constant for all programs regardless of length
D) Determines how fast an output actuator will respond after a change in an input filed device