SOS Mechanic Certificate - Electrical|Complete
Questions with Graded A+ Answers
After installing a new battery how long should you wait to allow for pcm time
no need to wait
As blower motor speed decreases the voltage drop across the resistance block....
increases
What should you do first when replacing junction block or fuse?
Unlock the battery ground cable
The polarity of the voltage applied to the electromagnetic coils of an actual working DC motor is....
a commutator
When performing a volt drop test the volt meter setting should be set to the following..
3 volts
The symbol at the RIGHT represents.....
a relay
Which device is used to monitor throttle position on the computer
potentiometer
A reading of .8 volts on the volt meter #2 would indicate.....
excessive resistance
In a conventional wiring diagram a dot at the enter section
Splice
After replacement of a defective blower motor the teen found motor spins but no air?
reversed polarity to the motor
Which piece of test equipment must be connected parallel
Volt meter
A vehicles blower motor only works on high.....
blower resistor
The component D in the following
lamp
Which one of the following component can be damaged by electrical discharge
, all of the above
An am-meter should be connected in which of the following
In series with the load
Direct transmitter controlled switches of a component
less current, high frequency
The following symbol at the right
Diode ->}-
A technician finds a horn relay that is stuck closed
the horn is constantly blowing
A fusable link can be tested with...
all of the above
In the circuit below the left front + left rear turn signals
excessive resistance at point b
When testing a remote mounted starter relay
When testing a remote mounted starter relay
An ohm meter
can be connected without regard to polarity, unless electrical contains a diode
Charging system positive side voltage drop not exceed
.7 volts
What type of meter should you use to diagnose on board micron computer
a high independence digital diagnostic instrument
All of the following are circuit protection devices except
Shielded wire
A grounded circuit is on that...
is defective in away that causes all current to
A technician is diagnosis an electrical problem on a vehicle the cause is found to be a broken wire in
the harness
crimp and solder
An ohm meter is used to measure
Questions with Graded A+ Answers
After installing a new battery how long should you wait to allow for pcm time
no need to wait
As blower motor speed decreases the voltage drop across the resistance block....
increases
What should you do first when replacing junction block or fuse?
Unlock the battery ground cable
The polarity of the voltage applied to the electromagnetic coils of an actual working DC motor is....
a commutator
When performing a volt drop test the volt meter setting should be set to the following..
3 volts
The symbol at the RIGHT represents.....
a relay
Which device is used to monitor throttle position on the computer
potentiometer
A reading of .8 volts on the volt meter #2 would indicate.....
excessive resistance
In a conventional wiring diagram a dot at the enter section
Splice
After replacement of a defective blower motor the teen found motor spins but no air?
reversed polarity to the motor
Which piece of test equipment must be connected parallel
Volt meter
A vehicles blower motor only works on high.....
blower resistor
The component D in the following
lamp
Which one of the following component can be damaged by electrical discharge
, all of the above
An am-meter should be connected in which of the following
In series with the load
Direct transmitter controlled switches of a component
less current, high frequency
The following symbol at the right
Diode ->}-
A technician finds a horn relay that is stuck closed
the horn is constantly blowing
A fusable link can be tested with...
all of the above
In the circuit below the left front + left rear turn signals
excessive resistance at point b
When testing a remote mounted starter relay
When testing a remote mounted starter relay
An ohm meter
can be connected without regard to polarity, unless electrical contains a diode
Charging system positive side voltage drop not exceed
.7 volts
What type of meter should you use to diagnose on board micron computer
a high independence digital diagnostic instrument
All of the following are circuit protection devices except
Shielded wire
A grounded circuit is on that...
is defective in away that causes all current to
A technician is diagnosis an electrical problem on a vehicle the cause is found to be a broken wire in
the harness
crimp and solder
An ohm meter is used to measure
