ELECTRICAL APPRENTICESHIP FIRST
YEAR FINAL UPDATED 2025-2026!!
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) - ANSWER(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 - ANSWER(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 - ANSWER(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 - ANSWER(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 - ANSWER(a) True
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 - ANSWER(d) resistance
"Normally Open" means the contacts are closed when the coil is energized.
(a) True
(b) False - ANSWER(b) False
, Every component of an electrical circuit contains resistance, except the power
supply.
(a) True
(b) False - ANSWER(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 - ANSWER(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 - ANSWER(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 - ANSWER(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 - ANSWER(b) False
"__________" is defined as the rate of work measured by the unit called watt.
(a) Resistance
(b) Power
(c) Pressure
(d) Intensity - ANSWER(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
(b) 20A
YEAR FINAL UPDATED 2025-2026!!
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) - ANSWER(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 - ANSWER(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 - ANSWER(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 - ANSWER(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 - ANSWER(a) True
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 - ANSWER(d) resistance
"Normally Open" means the contacts are closed when the coil is energized.
(a) True
(b) False - ANSWER(b) False
, Every component of an electrical circuit contains resistance, except the power
supply.
(a) True
(b) False - ANSWER(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 - ANSWER(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 - ANSWER(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 - ANSWER(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 - ANSWER(b) False
"__________" is defined as the rate of work measured by the unit called watt.
(a) Resistance
(b) Power
(c) Pressure
(d) Intensity - ANSWER(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
(b) 20A
