Automotive Electrical and Electronic Systems Classroom Manual Fifth Edition Update by John F. Kershaw

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32 Chapter Two
Review Questions
1. The general name given every substance in
the physical universe is which of the
following:
a. Mass
b. Matter
c. Compound
d. Nucleus
2. The smallest part of an element that retains
all of its characteristics is which of the
following:
a. Atom
b. Proton
c. Compound
d. Neutron
3. The particles that orbit around the center of
an atom are called which of the following:
a. Electrons
b. Molecules
c. Nucleus
d. Protons
4. An atom that loses or gains one electron is
called which of the following:
a. Balanced
b. An element
c. A molecule
d. An ion
5. Technician A says the battery provides
electricity by releasing free electrons.
Technician B says the battery stores energy
in a chemical form. Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
6. Static electricity is being discussed.
Technician A says that static electricity is
electricity in motion. Technician B says an
electrostatic charge can build up on the
surface of your body. Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
7. What people discovered electricity?
a. The Italians
b. The Germans
c. The Greeks
d. The Irish
8. Technician A says batteries produce direct
current from a chemical reaction.
Technician B says that an electrolyte is a
chemical solution of water and
hydrochloric acid that will conduct
electricity. Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
9. Two technicians are discussing
thermoelectricity. Technician A says
applying heat to the connection point of two
dissimilar metals can create electron flow
(electricity). Technician B says a
thermocouple is a small device made of two
dissimilar metals that gives off a low voltage
when heated. Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
10. Technician A says when sunlight contacts
certain materials, electron flow is stimulated.
Technician B says solar energy is light
energy from the moon that is gathered in a
photovoltaic solar cell. Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
11. Two technicians are discussing how
piezoelectricity works. Technician A says it
is electricity produced when barium titanate
is placed under pressure. Technician B
says when no change in the potential of
electrons between positive and negative
terminal occurs, the barium titanate creates
electricity. Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
12. James Watt’s term horsepower is being
discussed. Technician A says one
horsepower equals 33,000 foot-pounds of
work per hour. Technician B says one
horsepower would be produced when a
horse walked 165 feet in one minute pulling