ELECTRICAL APPRENTICESHIP FIRST YEAR FINAL
UPDATED (2026) NEEDED TO PASS.
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 answers (d) compound(s)
Electrostatic charge is due to an excess of, or a deficiency of, electrons between objects that have
been separated.
(a) True
(b) False correct answers (a) True
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 answers (b) False
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 answers (a) True
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 answers (a) True
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 answers (a) True
"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 answers (a) True
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 answers (a) True
When electrons are forced to move through a conductor, the magnetic fields of individual
electrons subtract from one another.
(a) True
(b) False correct answers (b) False
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 answers (d) resistance
"Normally Open" means the contacts are closed when the coil is energized.
(a) True
(b) False correct answers (b) False
Every component of an electrical circuit contains resistance, except the power supply.
(a) True
(b) False correct answers (a) True
"__________" is defined as the rate of work measured by the unit called watt.
(a) Resistance
(b) Power
(c) Pressure
(d) Intensity correct answers (b) Power
An overcurrent device (circuit breaker or fuse) must be sized no less than 125 percent of the
continuous load. If the load is 16A, the overcurrent protection device will have to be sized at no
less than __________.
(a) 17A
UPDATED (2026) NEEDED TO PASS.
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 answers (d) compound(s)
Electrostatic charge is due to an excess of, or a deficiency of, electrons between objects that have
been separated.
(a) True
(b) False correct answers (a) True
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 answers (b) False
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 answers (a) True
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 answers (a) True
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 answers (a) True
"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 answers (a) True
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 answers (a) True
When electrons are forced to move through a conductor, the magnetic fields of individual
electrons subtract from one another.
(a) True
(b) False correct answers (b) False
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 answers (d) resistance
"Normally Open" means the contacts are closed when the coil is energized.
(a) True
(b) False correct answers (b) False
Every component of an electrical circuit contains resistance, except the power supply.
(a) True
(b) False correct answers (a) True
"__________" is defined as the rate of work measured by the unit called watt.
(a) Resistance
(b) Power
(c) Pressure
(d) Intensity correct answers (b) Power
An overcurrent device (circuit breaker or fuse) must be sized no less than 125 percent of the
continuous load. If the load is 16A, the overcurrent protection device will have to be sized at no
less than __________.
(a) 17A
