Electrical apprenticeship first year final final updated-Questions and Answers

Electrical apprenticeship first year final final
updated-Questions and Answers

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Terms in this set (65)


When the atoms of (d) compound(s)
elements combine, they
produce _____. The smallest
particle of a(n) _____ is
called a molecule.


(a) matter
(b) element(s)
(c) energy
(d) compound(s)

Electrostatic charge is due (a) True
to an excess of, or a
deficiency of, electrons
between objects that have
been separated.


(a) True
(b) False

,Lightning protection is (b) False
intended to protect the
building itself, as well as
the electrical equipment
on or inside the structure.


(a) True
(b) False

Compounds can change (a) True
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

If a permanent magnet is (a) True
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

, A battery is a power (a) True
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

"Electroplating" is building (a) True
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

To ensure the minimum (a) True
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