A system that controls loads by opening and closing electrically ...

[silviawilliams41]

A system that controls loads by opening and closing electrically operated mechanical switches is described as:
 
  A) A relay logic. B) Pneumatic logic. C) Modulating logic. D) Solid-state logic.

Question 2

What is one important thing you must do when replacing a heating element rack?
 
  A) Ensure that you specify the model and serial number of the furnace where the rack will go.
  B) Ensure that you specify the model number of the heating element.
  C) Ensure that you specify the serial number of the nickel-chrome alloy.
  D) Ensure that you specify the serial number of the heating element.

[sarajane1989]

Answer to Question 1

A

Answer to Question 2

A

[silviawilliams41]

Both answers were spot on, thank you once again

[sarajane1989]

Great! Please up vote