Why are manufacturers replacing relay logic systems with ...

[ghost!]

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

[Sophiapenny]

Answer to Question 1

D

Answer to Question 2

B

[ghost!]

Thanks for the timely response, appreciate it

[kishoreddi]

Gracias!