Deck 9: Schematic and Wiring Diagrams

Question 1

Schematics are generally harder to read and understand than wiring diagrams.

Answer 1

False

Question 2

A normally closed push button ____.

A) is generally used to represent a start button
B) has only one pole
C) is generally used to represent a stop button
D) is referred to as common

Answer 2

is generally used to represent a stop button

Question 3

A normally closed pushbutton is drawn with the movable contact above the stationary contact.

Answer 3

False

Question 4

It is generally necessary for the service person to determine the meaning of the lines on a particular schematic.

Question 5

Schematic diagrams ____.

A) are used to represent how the circuit generally appears
B) show components mounted in their general location with connecting wires
C) show components in their electrical sequence without regard for physical location
D) show all hypothetically possible logical relations

Question 6

In a ____, a simple switch is used to control the power applied to a small motor.

A) one-wire control circuit
B) two-wire control circuit
C) three-wire control circuit
D) tone-control circuit

Question 7

Once a few basic principles are understood, reading schematics and wiring diagrams will become as easy as reading a newspaper.

Question 8

____ indicates that the switch contains only one movable contact.

A) Make-before-break
B) Single throw
C) Break-before-make
D) Single pole

Question 9

Load contacts are large and designed to carry the current needed to operate the load.

Question 10

Some diagrams will use dashed lines to ____.

A) indicate factory-installed wiring
B) represent edges hidden in views of a complex object
C) indicate that an object within the drawing space is selected
D) illustrate field-connected devices