Conductors Exam Questions With Correct Answers Already Passed

Conductors Exam Questions With
Correct Answers Already Passed
Name the three most common conductive materials used for the manufacture of cables
and wires for the electrical industry. CORRECT ANSWERS 1. Copper
2. Aluminum
3. Steel

Steel is used to provide reinforcement of some types of aluminum conductors. True or
false? CORRECT ANSWERS True.

Soft-drawn copper is some types insulated conductors. True or false? CORRECT
ANSWERS True.

Conductors are either solid or stranded. True or false? CORRECT ANSWERS True.

Where can a solid conductor that has a rectangular cross-sectional area be used?
CORRECT ANSWERS 1. Busbars for splinters.
2. Circuit breaker panels.
3. Large switches.

Large conductors pulled in raceways are usually: CORRECT ANSWERS stranded.

What form of conductor is used where vibration is common or where there is relative
motion between the wiring and the utilization equipment? CORRECT ANSWERS
Stranded.

What is the material that has a very large number of free electrons per unit volume?
CORRECT ANSWERS Conductors.

Would the resistance of an insulating material compared to a conductive material be a
large value or a small value? CORRECT ANSWERS Large.

Materials classified as insulating materials. CORRECT ANSWERS Glass, rubber, mica,
plastic, oil, paper, cotton, silk and air.

What is dielectric strength? CORRECT ANSWERS The electrical insulating strength of
a material.

Name two materials used for semiconductors. CORRECT ANSWERS 1. Silicon
2. Germanium

Which four factors affect the resistance of a conductor? CORRECT ANSWERS 1.
Material