ELECTRICAL/ELETRONIC SYSTEM TEST
QUESTIONS AND ANSWERS
The fault shown in the above circuit is: (pg. 81)
A. an open
B. a short to ground
C. too much capacitance
D. too much resistance - ANSWER B
An air bag system is being serviced, Technician A says to disconnect the yellow
SRS connectors at the front of the vehicle. Technician B says to disconnect and
isolate the negative battery cable.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .B
Which of these should be used when soldering electrician wiring connections?
A. rosin core flux
B. acid core flux
C. sulfur core flux
D. none of the above - ANSWER .a
When testing computer-controlled systems, a digital multimeter should be used
with an input impedance of at least:
A. lOk ohms
B. lOOk ohms
C. 1 megohm
D. 10 megohms - ANSWER .d
,When troubleshooting a slow drain on the battery, which if these diagnostic
tools should be used?
A. Ohmmeter
B. Ammeter
C. Voltmeter
D. Test fight - ANSWER .b
The condition of a lead-acid battery is being checked. Technician A says to use
a galvanometer. Technician B says to use a capacitive battery tester.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .b
While testing a starting circuit on a 5.7L V8 engine, the technician finds that the
engine cranks slowly. The
starter current draw is 90 amps, and the battery voltage while cranking is 11
volts. What should the technician do next?
A. Check for voltage drop of the starter motor circuit.
B. Test the battery capacity.
C. Replace the starter motor, as a short Is indicated.
D. Determine the condition of the engine. - ANSWER .a
Technician A says that a noisy alternator could be caused by a bad diode.
Technician B says that a noisy alternator could be caused by a worn bearing.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .c
The analog ohmmeter needle does not move when connected as shown above.
(pg 82) This indicates that the rotor winding is:
, A. shorted
B. grounded
C. complete
D. open - ANSWER .d
A vehicle's tum signals flash too slowly. Technician A claims that the condition
could be caused by a faulty flasher. Technician B says that a bulb may be the
wrong type.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .c
Technician A says a short circuit to ground in a circuit will decrease resistance.
Technician B says a short circuit will Increase current flow.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .c
The voltmeter meter in the circuit shown above reads 3.5 volts. (pg 82)
Technician A says that a bad ground
for the light could be the cause. Technician B says that high resistance in the
circuit from the battery to the light could be the cause.
Who is right??
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .b
When using a voltmeter to check for voltage in a circuit, the voltmeter should
first be connected to check for:
QUESTIONS AND ANSWERS
The fault shown in the above circuit is: (pg. 81)
A. an open
B. a short to ground
C. too much capacitance
D. too much resistance - ANSWER B
An air bag system is being serviced, Technician A says to disconnect the yellow
SRS connectors at the front of the vehicle. Technician B says to disconnect and
isolate the negative battery cable.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .B
Which of these should be used when soldering electrician wiring connections?
A. rosin core flux
B. acid core flux
C. sulfur core flux
D. none of the above - ANSWER .a
When testing computer-controlled systems, a digital multimeter should be used
with an input impedance of at least:
A. lOk ohms
B. lOOk ohms
C. 1 megohm
D. 10 megohms - ANSWER .d
,When troubleshooting a slow drain on the battery, which if these diagnostic
tools should be used?
A. Ohmmeter
B. Ammeter
C. Voltmeter
D. Test fight - ANSWER .b
The condition of a lead-acid battery is being checked. Technician A says to use
a galvanometer. Technician B says to use a capacitive battery tester.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .b
While testing a starting circuit on a 5.7L V8 engine, the technician finds that the
engine cranks slowly. The
starter current draw is 90 amps, and the battery voltage while cranking is 11
volts. What should the technician do next?
A. Check for voltage drop of the starter motor circuit.
B. Test the battery capacity.
C. Replace the starter motor, as a short Is indicated.
D. Determine the condition of the engine. - ANSWER .a
Technician A says that a noisy alternator could be caused by a bad diode.
Technician B says that a noisy alternator could be caused by a worn bearing.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .c
The analog ohmmeter needle does not move when connected as shown above.
(pg 82) This indicates that the rotor winding is:
, A. shorted
B. grounded
C. complete
D. open - ANSWER .d
A vehicle's tum signals flash too slowly. Technician A claims that the condition
could be caused by a faulty flasher. Technician B says that a bulb may be the
wrong type.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .c
Technician A says a short circuit to ground in a circuit will decrease resistance.
Technician B says a short circuit will Increase current flow.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .c
The voltmeter meter in the circuit shown above reads 3.5 volts. (pg 82)
Technician A says that a bad ground
for the light could be the cause. Technician B says that high resistance in the
circuit from the battery to the light could be the cause.
Who is right??
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWER .b
When using a voltmeter to check for voltage in a circuit, the voltmeter should
first be connected to check for:
