SOS Mechanic Certificate - Electrical
2025/2026 Complete Questions And
Correct Answers (Verified
Answers)|Brand New Version Grade
A+!
After installing a new battery how long should you wait to allow for pcm time
Correct Answer: no need to wait
As blower motor speed decreases the voltage drop across the resistance
block.... Correct Answer: increases
What should you do first when replacing junction block or fuse? Correct Answer:
Unlock the battery ground cable
The polarity of the voltage applied to the electromagnetic coils of an actual
working DC motor is.... Correct Answer: a commutator
When performing a volt drop test the volt meter setting should be set to the
following.. Correct Answer: 3 volts
The symbol at the RIGHT represents..... Correct Answer: a relay
Which device is used to monitor throttle position on the computer Correct
Answer: potentiometer
A reading of .8 volts on the volt meter #2 would indicate..... Correct Answer:
excessive resistance
In a conventional wiring diagram a dot at the enter section Correct Answer:
Splice
, After replacement of a defective blower motor the teen found motor spins but
no air? Correct Answer: reversed polarity to the motor
Which piece of test equipment must be connected parallel Correct Answer:
Volt meter
A vehicles blower motor only works on high..... Correct Answer: blower resistor
The component D in the following Correct Answer: lamp
Which one of the following component can be damaged by electrical
discharge Correct Answer: all of the above
An am-meter should be connected in which of the following Correct Answer: In
series with the load
Direct transmitter controlled switches of a component Correct Answer: less
current, high frequency
The following symbol at the right Correct Answer: Diode ->}-
A technician finds a horn relay that is stuck closed Correct Answer: the horn is
constantly blowing
A fusable link can be tested with... Correct Answer: all of the above
In the circuit below the left front + left rear turn signals Correct Answer: excessive
resistance at point b
When testing a remote mounted starter relay Correct Answer: When testing a
remote mounted starter relay
An ohm meter Correct Answer: can be connected without regard to polarity,
unless electrical contains a diode
2025/2026 Complete Questions And
Correct Answers (Verified
Answers)|Brand New Version Grade
A+!
After installing a new battery how long should you wait to allow for pcm time
Correct Answer: no need to wait
As blower motor speed decreases the voltage drop across the resistance
block.... Correct Answer: increases
What should you do first when replacing junction block or fuse? Correct Answer:
Unlock the battery ground cable
The polarity of the voltage applied to the electromagnetic coils of an actual
working DC motor is.... Correct Answer: a commutator
When performing a volt drop test the volt meter setting should be set to the
following.. Correct Answer: 3 volts
The symbol at the RIGHT represents..... Correct Answer: a relay
Which device is used to monitor throttle position on the computer Correct
Answer: potentiometer
A reading of .8 volts on the volt meter #2 would indicate..... Correct Answer:
excessive resistance
In a conventional wiring diagram a dot at the enter section Correct Answer:
Splice
, After replacement of a defective blower motor the teen found motor spins but
no air? Correct Answer: reversed polarity to the motor
Which piece of test equipment must be connected parallel Correct Answer:
Volt meter
A vehicles blower motor only works on high..... Correct Answer: blower resistor
The component D in the following Correct Answer: lamp
Which one of the following component can be damaged by electrical
discharge Correct Answer: all of the above
An am-meter should be connected in which of the following Correct Answer: In
series with the load
Direct transmitter controlled switches of a component Correct Answer: less
current, high frequency
The following symbol at the right Correct Answer: Diode ->}-
A technician finds a horn relay that is stuck closed Correct Answer: the horn is
constantly blowing
A fusable link can be tested with... Correct Answer: all of the above
In the circuit below the left front + left rear turn signals Correct Answer: excessive
resistance at point b
When testing a remote mounted starter relay Correct Answer: When testing a
remote mounted starter relay
An ohm meter Correct Answer: can be connected without regard to polarity,
unless electrical contains a diode
