Motor Controls Unit 1

Many types of overload protectors operate on the relationship between a-heat and current b-the neutral conductor and the earth c-branch circuits and feeders d-voltage and wattage

A

ladder diagrams are also known as A-line diagrams b-elementary diagrams c-pictorial diagrams d- a or b

A or B

The heavier lines on an electoral diagram indicated the control circuit a-true b-false

False

____ are used to represent the function of the control circuit and the associated devices, but don't show the components of the control circuit in their actual positions a-ladder diagrams b-connection diagrams c-wiring diagrams d-pictorial diagrams

Ladder diagrams

_____ are used mostly in educational material and as exploded views or cut away views in installation and maintenance literature a-ladder diagrams b-connection diagrams c-wiring diagrams d-pictorial diagrams

Pictorial diagrams

A motor control circuit for the most part is simply a ____ and a motor a-motor b-switch c-feeder d-magnet

Switch

At least one load must be included in each rung a-true b-false

true

Broken lines on a diagram are usually shown to show mechanical movement or connection a-true b-false

true

Connection diagrams are also called wiring diagrams a-true b-false

true

Schematics show motors and control equipment in their resting or shelf state a-true b-false

true