Automotive Wiring And Wire Repair

Question 1

The higher the AWG number, what happened to the size of the wire?

Answer 1

Diameter gets smaller

Question 2

Metric wire size is measured in units of ______?

Answer 2

Square millimeters

Question 3

What should the fuse rating be compared to normal current in the circuit?

Answer 3

The fuse rating should be higher than the normal current for the circuit.

Question 4

What percentage of fuse rating should equal the current in the circuit?

Answer 4

80%

Question 5

What is a connector?

Answer 5

A connector is usually a plastic piece where the terminals lock in

Question 6

What type of solder should be used for electrical work?

Answer 6

Rosin core

Question 7

A technician is performing a wire repair on a circuit under the hood of the vehicle. Technician A says to use solder and adhesive-lined heat shrink tubing or a crimp and seal connector. Technician B says to solder and use electrical tape. Technician is correct?

Answer 7

A only

Question 8

Two technicians are discussing fuse testing. Technician A says that a test light on both test points of the fuse if it is ok. Technician B says that the fuse Is defective if a test only lights on one side of the fuse. Who is correct?

Answer 8

Both

Question 9

If I wire repair, such as repairs made under the hood or under the vehicle is exposed to the elements, which type of repair should be used?

Answer 9

Soldier and adhesive-lined heat-shrink or crimp and seal connectors

Question 10

Many groundstraps are uninsulated and braided because ______.

Answer 10

They are more flexible to allow movement of the engine without breaking the wire and they help dampen radio frequency interference (RFI)

Question 11

What causes a fuse to blow?

Answer 11

A decrease in circuit resistance and an increase and the current flow through the circuit