1|Page
SOS MECHANIC CERTIFICATION TEST
2025/2026 QUESTIONS AND CORRECT
ANSWERS 2 VESIONS CURRENTLY
TESTING COMPLETE QUESTIONS WITH
DETAILED VERIFIED ANSWERS /ALREADY
GRADED A+
After installing a new battery how long should you wait to
allow for pcm time - ........ANSWERS........no need to wait
As blower motor speed decreases the voltage drop across
the resistance block.... - ........ANSWERS........increases
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What should you do first when replacing junction block or
fuse? - ........ANSWERS........Unlock the battery ground
cable
The polarity of the voltage applied to the electromagnetic
coils of an actual working DC motor is.... -
........ANSWERS........a commutator
When performing a volt drop test the volt meter setting
should be set to the following.. - ........ANSWERS........3
volts
The symbol at the RIGHT represents..... -
........ANSWERS........a relay
,3|Page
Which device is used to monitor throttle position on the
computer - ........ANSWERS........potentiometer
A reading of .8 volts on the volt meter #2 would
indicate..... - ........ANSWERS........excessive resistance
In a conventional wiring diagram a dot at the enter
section - ........ANSWERS........Splice
After replacement of a defective blower motor the teen
found motor spins but no air? -
........ANSWERS........reversed polarity to the motor
Which piece of test equipment must be connected
parallel - ........ANSWERS........Volt meter
, 4|Page
A vehicles blower motor only works on high..... -
........ANSWERS........blower resistor
The component D in the following -
........ANSWERS........lamp
Which one of the following component can be damaged
by electrical discharge - ........ANSWERS........all of the
above
An am-meter should be connected in which of the
following - ........ANSWERS........In series with the load
Direct transmitter controlled switches of a component -
........ANSWERS........less current, high frequency
SOS MECHANIC CERTIFICATION TEST
2025/2026 QUESTIONS AND CORRECT
ANSWERS 2 VESIONS CURRENTLY
TESTING COMPLETE QUESTIONS WITH
DETAILED VERIFIED ANSWERS /ALREADY
GRADED A+
After installing a new battery how long should you wait to
allow for pcm time - ........ANSWERS........no need to wait
As blower motor speed decreases the voltage drop across
the resistance block.... - ........ANSWERS........increases
,2|Page
What should you do first when replacing junction block or
fuse? - ........ANSWERS........Unlock the battery ground
cable
The polarity of the voltage applied to the electromagnetic
coils of an actual working DC motor is.... -
........ANSWERS........a commutator
When performing a volt drop test the volt meter setting
should be set to the following.. - ........ANSWERS........3
volts
The symbol at the RIGHT represents..... -
........ANSWERS........a relay
,3|Page
Which device is used to monitor throttle position on the
computer - ........ANSWERS........potentiometer
A reading of .8 volts on the volt meter #2 would
indicate..... - ........ANSWERS........excessive resistance
In a conventional wiring diagram a dot at the enter
section - ........ANSWERS........Splice
After replacement of a defective blower motor the teen
found motor spins but no air? -
........ANSWERS........reversed polarity to the motor
Which piece of test equipment must be connected
parallel - ........ANSWERS........Volt meter
, 4|Page
A vehicles blower motor only works on high..... -
........ANSWERS........blower resistor
The component D in the following -
........ANSWERS........lamp
Which one of the following component can be damaged
by electrical discharge - ........ANSWERS........all of the
above
An am-meter should be connected in which of the
following - ........ANSWERS........In series with the load
Direct transmitter controlled switches of a component -
........ANSWERS........less current, high frequency
