Author Question: Why are manufacturers replacing relay logic systems with solid-state logic systems? A) ... (Read 211 times)

ghost! · **on:** Jul 24, 2018

Why are manufacturers replacing relay logic systems with solid-state logic systems?

A) Solid-state systems are less prone to problems dues to noisy voltage signals.
B) Most HVACR technicians are already trained on solid-state logic systems.
C) Solid-state systems are simpler in design.
D) Solid-state logic systems operate faster, use less power, and can control more functions.

Question 2

What do the rungs of a ladder diagram represent?

A) Actual system wires B) Individual electrical circuits
C) Individual controls D) Individual loads