SOS MECHANIC CERTIFICATION COMPREHENSIVE EXAMINATION TEST 2026 QUESTIONS AND ANSWERS FULLY SOLVED

SOS MECHANIC CERTIFICATION
COMPREHENSIVE EXAMINATION TEST
2026 QUESTIONS AND ANSWERS FULLY
SOLVED

●● As blower motor speed decreases the voltage drop across the
resistance block....
Answer: increases


●● What should you do first when replacing junction block or fuse?
Answer: Unlock the battery ground cable


●● The polarity of the voltage applied to the electromagnetic coils of an
actual working DC motor is....
Answer: a commutator


●● When performing a volt drop test the volt meter setting should be set
to the following..
Answer: 3 volts


●● The symbol at the RIGHT represents.....
Answer: a relay

, ●● Which device is used to monitor throttle position on the computer
Answer: potentiometer


●● A reading of .8 volts on the volt meter #2 would indicate.....
Answer: excessive resistance


●● In a conventional wiring diagram a dot at the enter section
Answer: Splice


●● After replacement of a defective blower motor the teen found motor
spins but no air?
Answer: reversed polarity to the motor


●● Which piece of test equipment must be connected parallel
Answer: Volt meter


●● A vehicles blower motor only works on high.....
Answer: blower resistor


●● The component D in the following
Answer: lamp