Deck 45: Wiring Schematics and Circuit Testing

Question 1

This is the electrical symbol for a(n) ________.

A)Diode
B)Switch
C)Electric motor
D)Headlight

Answer 1

Electric motor

Question 2

This drawing is a representation of ________.

A)A potentiometer
B)A relay
C)An ignition coil
D)A vacuum switch

Answer 2

A relay

Question 3

This symbol represents ________.

A)A pointed ground point
B)A shielded housing
C)A square ground cable
D)A component that is case grounded

Answer 3

A component that is case grounded

Question 4

In this diagram the notation "C202" indicates ________.

A)Current, 202 amps
B)Color 202
C)Connector 202
D)Cable 202

Question 5

In this diagram the number "0.5" refers to ________.

A)The circuit number
B)The wire color
C)The size of the wire
D)Current flow in the circuit

Question 6

The symbol in the figure below indicates which of these?

A)Ground
B)Battery
C)Diode
D)Capacitor

Question 7

A loose or broken ground wire can cause more than one component to malfunction.

Question 8

When testing a relay between terminals 30 and 87a, with the relay turned off, there should be ________ resistance.

A)High
B)Low
C)Between 60 and 100 ohms
D)Infinite

Question 9

A(n) ________ is a break in the electrical circuit that prevents current from flowing and operating an electrical device.

A)Closed fuse
B)Short circuit
C)Closed circuit
D)Open circuit

Question 10

For an electrical device to operate, it must have ________.

A)A relay to transfer the current to the device
B)A switch and a fuse
C)Power and a ground
D)A ground and a fusible link

Question 11

Which of the following describes a drawing or chart of an electrical circuit using lines and symbols to represent circuit path and components?

A)Diagram
B)Schematic
C)Both A and B
D)Neither A nor B

Question 12

In a schematic, a wire is labeled "0.8 BLK/WHT." This wire is ________.

A)White with a black stripe
B)0.8 mm diameter
C)Both A and B
D)Neither A nor B

Question 13

This symbol in a wiring diagram indicates ________.

A)A connector
B)A fuse
C)Both A and B
D)Neither A nor B

Question 14

A box drawn with dashed lines in a wiring diagram indicates ________.

A)A complete circuit
B)A complete component
C)A portion of a component
D)None of these

Question 15

A box drawn with a solid line in a wiring diagram indicates ________.

A)A transistor
B)A complete component
C)A portion of a component
D)A resistor

Question 16

This symbol in a wiring diagram indicates ________.

A)A male terminal
B)A female terminal
C)A fuse
D)None of these

Question 17

This symbol in a wiring diagram indicates ________.

A)A female terminal
B)A male terminal
C)A fuse
D)None of these

Question 18

The positive side of a circuit usually uses what type of a connector, according to the text?

A)Female
B)Male
C)Both A and B
D)Neither A nor B

Question 19

Wiring schematics have which information about circuits?

A)Circuit number
B)Wire color
C)Wire size
D)All of these