Author Question: How many air curtains are used in a multi-deck open display freezer? What will be an ideal ... (Read 82 times)

rmenurse · **on:** Jul 26, 2018

How many air curtains are used in a multi-deck open display freezer?

What will be an ideal response?

Question 2

What are the major differences between relay and solid state logic?

What will be an ideal response?

enass · **Reply #1 on:** Jul 26, 2018

Answer to Question 1

Three

Answer to Question 2

In comparison to relay logic, solid state components have no moving parts. They are sealed from the atmosphere. They take up less space because most of the components are attached to a compact circuit board. They generally cost less and require less power. Most important, they can be more than 1,000 times faster than relays.