Automotive-A6 Auto Electricity and
Electronics- Auto-107 PSC -Study Guide
Questions With 100% Correct Answers.
Q1: Technician A says the voltage produced by automotive ignition system is enough to cause a
painful shock. Technician B says the current produced by an automotive ignition system usually
does not flow long enough to cause electrocution. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: Technician A says some automobiles are equipped with a circuit that converts alternator
output into 110 volts AC. Technician B says 110 volts AC can produce enough current to cause
electrocution. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: While discussing how to prevent electrical fires, Technician A says you should disconnect
the battery before performing electrical repairs on a car. Technician B says you should always
replace a burned fuse with a fuse of the same amp rating. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: Technician A says electrical devices are not used on late-model modern vehicles. Technician
B says electronic devices utilize moving parts for operation. Who is right?
a. A Only
b. B Only
c. Both A and B
,d. Neither A nor B - Answer d. Neither A nor B
Q1: Technician A says an automotive computer system uses sensors to convert conditions to
electrical signals. Technician B says an automotive computer system uses actuators to do work
for the system. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: Technician A says on-board diagnostics refers to the computer's ability to analyze the
operation of its circuits and output data identifying problems. Technician B says the computer
systems in all new cars have on-board diagnostic capabilities. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: Technician A says that during automotive starting system operation, electrical current flows
from the ignition switch directly to the starting motor. Technician B says a small gear on the
starting motor turns a large gear on the engine flywheel. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer b. B Only
Q1: Technician A says an automotive charging system's voltage regulator usually maintains an
alternator output voltage between 13 to 15 volts. Technician B says the automotive charging
system provides electricity for all electrical devices when the engine is running. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
,Q1: An atom consists of:
a. electrons
b. neutrons
c. protons
d. All of the above. - Answer d. All of the above.
Q1: Technician A says electricity is the movement
of free atoms from one place to another. Technician B says electricity is the movement of free
molecules from one place to another. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer d. Neither A nor B
Q1: Technician A says insulator is a substance that resists the flow of electricity. Technician B
says the atoms in an insulator are very stable and resist electron movement. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: Technician A says a load is a basic component of an electric circuit. Technician B says a
"power supply" is a basic component of an electric circuit. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: The electrical pressure that causes current flow is known as:
a. voltage
, b. current
c. resistance
d. power - Answer a. voltage
Q1: Technician A says that as voltage increases, current flow increase. Technician B says that as
voltage decreases, the number of free electrons flowing through a circuit decreases. Who is
right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: _____ orbits the nucleus of an atom.
a. Protons
b. Neutrons
c. Electrons
d. Molecules - Answer c. Electrons
Q1: Technician A says spills should be cleaned up just before you leave the shop. Technician B
says spills should be cleaned up as soon as they occur. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer b. B Only
Q1: Which of the following is not a proper type of eye protection?
a. A face shield.
b. Prescription plastic lenses.
c. Tempered Safety glasses.
d. Goggles. - Answer b. Prescription plastic lenses.
Q1: What should you do before turning on a battery charger?
Electronics- Auto-107 PSC -Study Guide
Questions With 100% Correct Answers.
Q1: Technician A says the voltage produced by automotive ignition system is enough to cause a
painful shock. Technician B says the current produced by an automotive ignition system usually
does not flow long enough to cause electrocution. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: Technician A says some automobiles are equipped with a circuit that converts alternator
output into 110 volts AC. Technician B says 110 volts AC can produce enough current to cause
electrocution. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: While discussing how to prevent electrical fires, Technician A says you should disconnect
the battery before performing electrical repairs on a car. Technician B says you should always
replace a burned fuse with a fuse of the same amp rating. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: Technician A says electrical devices are not used on late-model modern vehicles. Technician
B says electronic devices utilize moving parts for operation. Who is right?
a. A Only
b. B Only
c. Both A and B
,d. Neither A nor B - Answer d. Neither A nor B
Q1: Technician A says an automotive computer system uses sensors to convert conditions to
electrical signals. Technician B says an automotive computer system uses actuators to do work
for the system. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: Technician A says on-board diagnostics refers to the computer's ability to analyze the
operation of its circuits and output data identifying problems. Technician B says the computer
systems in all new cars have on-board diagnostic capabilities. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: Technician A says that during automotive starting system operation, electrical current flows
from the ignition switch directly to the starting motor. Technician B says a small gear on the
starting motor turns a large gear on the engine flywheel. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer b. B Only
Q1: Technician A says an automotive charging system's voltage regulator usually maintains an
alternator output voltage between 13 to 15 volts. Technician B says the automotive charging
system provides electricity for all electrical devices when the engine is running. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
,Q1: An atom consists of:
a. electrons
b. neutrons
c. protons
d. All of the above. - Answer d. All of the above.
Q1: Technician A says electricity is the movement
of free atoms from one place to another. Technician B says electricity is the movement of free
molecules from one place to another. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer d. Neither A nor B
Q1: Technician A says insulator is a substance that resists the flow of electricity. Technician B
says the atoms in an insulator are very stable and resist electron movement. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: Technician A says a load is a basic component of an electric circuit. Technician B says a
"power supply" is a basic component of an electric circuit. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: The electrical pressure that causes current flow is known as:
a. voltage
, b. current
c. resistance
d. power - Answer a. voltage
Q1: Technician A says that as voltage increases, current flow increase. Technician B says that as
voltage decreases, the number of free electrons flowing through a circuit decreases. Who is
right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer c. Both A and B
Q1: _____ orbits the nucleus of an atom.
a. Protons
b. Neutrons
c. Electrons
d. Molecules - Answer c. Electrons
Q1: Technician A says spills should be cleaned up just before you leave the shop. Technician B
says spills should be cleaned up as soon as they occur. Who is right?
a. A Only
b. B Only
c. Both A and B
d. Neither A nor B - Answer b. B Only
Q1: Which of the following is not a proper type of eye protection?
a. A face shield.
b. Prescription plastic lenses.
c. Tempered Safety glasses.
d. Goggles. - Answer b. Prescription plastic lenses.
Q1: What should you do before turning on a battery charger?
