Author Question: The examine if closed instruction ________. A) Is an input instruction only used for field ... (Read 78 times)

misspop · **on:** Jul 28, 2018

The examine if closed instruction ________.

A) Is an input instruction only used for field devices with NO contacts
B) Can only be assigned an input file address starting I:
C) Has the following logic symbol (-/-)
D) Has the following logic symbol (- -)

Question 2

Proportional band is ________.

A) The percentage change in the set point that causes the final control element to go through its full range
B) The percentage change in the process variable that causes the final control element to go through its full range
C) The percentage change in the error that causes the final control element to go through its full range
D) None of the above