Author Question: The action block needs to open a fluid value in one step and close the fluid value in a later step, ... (Read 74 times)

scienceeasy · **on:** Jul 28, 2018

The action block needs to open a fluid value in one step and close the fluid value in a later step, what action qualifier would be the BEST solution?

A) D and L B) N C) P0 and P1 D) S and R

Question 2

Which of the following serial data interfaces can support a maximum of ten receivers on one line?

A) RS422 B) RS232 C) RS485 D) None of the above