Electrical Apprenticeship First Year Final Final Updated Questions And Correct Detailed Answers (Verified Answers) | Already Graded A+ | Newest Version

Electrical Apprenticeship First Year Final Final
Updated Questions And Correct Detailed
Answers (Verified Answers) | Already Graded
A+ | Newest Version

Question 1
When the atoms of elements combine, they produce _____. The smallest particle
of a(n) _____ is called a molecule.
(a) matter
(b) element(s)
(c) energy
(d) compound(s)
Correct Answer: (d) compound(s)


Question 2
Electrostatic charge is due to an excess of, or a deficiency of, electrons between
objects that have been separated.
(a) True
(b) False
Correct Answer: (a) True


Question 3
Lightning protection is intended to protect the building itself, as well as the
electrical equipment on or inside the structure.
(a) True
(b) False
Correct Answer: (b) False

,Question 4
Compounds can change the electrical characteristics of an individual atom. For
example, the insulating aluminum-oxide compound is very difficult to break and it
often results in the overheating of aluminum conductors at their terminals.
(a) True
(b) False
Correct Answer: (a) True


Question 5
If a permanent magnet is struck with a hammer, it will lose some of its
magnetism; each subsequent blow helps the molecules return to their original
random positions.
(a) True
(b) False
Correct Answer: (a) True


Question 6
A battery is a power source where voltaic cells are combined in a series
arrangement, positive terminal to negative terminal, so that the voltage of one
cell is added to the voltage of the other cells.
(a) True
(b) False
Correct Answer: (a) True


Question 7
"Electroplating" is building up layers of metal on one surface by removing the
same metal from another surface by using a chemical action with electric current
in a solution.
(a) True
(b) False
Correct Answer: (a) True

, Question 8
To ensure the minimum practical safeguarding of persons and property from the
use of electricity, all premises wiring must be installed in accordance with the
National Electrical Code (NEC).
(a) True
(b) False
Correct Answer: (a) True


Question 9
When electrons are forced to move through a conductor, the magnetic fields of
individual electrons subtract from one another.
(a) True
(b) False
Correct Answer: (b) False


Question 10
The Megger is used to measure very high ______ values, such as those found in
cable insulation, or motor and transformer windings.
(a) voltage
(b) current
(c) power
(d) resistance
Correct Answer: (d) resistance


Question 11
"Normally Open" means the contacts are closed when the coil is energized.
(a) True
(b) False
Correct Answer: (b) False