SOS Mechanic Certificate – Electrical
Complete Questions and Guide Answers
100% Verified Graded A+
1. After installing a new battery how long should you wait to allow for pcm time
Answer: no need to wait
2. As blower motor speed decreases the voltage drop across the resistance block....
Answer: increases
3. What should you do first when replacing junction block or fuse?
Answer: Unlock the battery ground cable
4. The polarity of the voltage applied to the electromagnetic coils of an actual working
DC motor is....
Answer: acommutator
5. When performing a volt drop test the volt meter setting should be set to the
following..
Answer: 3 volts
6. The symbol at the RIGHT represents.....
Answer: a relay
, 7. Which device is used to monitor throttle position on the computer
Answer: potentiometer
8. A reading of .8 volts on the volt meter #2 would indicate.....
Answer: excessive resistance
9. In a conventional wiring diagram a dot at the enter section
Answer: Splice
10. After replacement of a defective blower motor the teen found motor spins but no
air?
Answer: reversed polarity to the motor
11. Which piece of test equipment must be connected parallel
Answer: Volt meter
12. A vehicles blower motor only works on high.....
Answer: blower resistor
13. The component D in the following
Answer: lamp
14. Which one of the following component can be damaged by electrical dis- charge
Answer: all of the above
15. An am-meter should be connected in which of the following
Complete Questions and Guide Answers
100% Verified Graded A+
1. After installing a new battery how long should you wait to allow for pcm time
Answer: no need to wait
2. As blower motor speed decreases the voltage drop across the resistance block....
Answer: increases
3. What should you do first when replacing junction block or fuse?
Answer: Unlock the battery ground cable
4. The polarity of the voltage applied to the electromagnetic coils of an actual working
DC motor is....
Answer: acommutator
5. When performing a volt drop test the volt meter setting should be set to the
following..
Answer: 3 volts
6. The symbol at the RIGHT represents.....
Answer: a relay
, 7. Which device is used to monitor throttle position on the computer
Answer: potentiometer
8. A reading of .8 volts on the volt meter #2 would indicate.....
Answer: excessive resistance
9. In a conventional wiring diagram a dot at the enter section
Answer: Splice
10. After replacement of a defective blower motor the teen found motor spins but no
air?
Answer: reversed polarity to the motor
11. Which piece of test equipment must be connected parallel
Answer: Volt meter
12. A vehicles blower motor only works on high.....
Answer: blower resistor
13. The component D in the following
Answer: lamp
14. Which one of the following component can be damaged by electrical dis- charge
Answer: all of the above
15. An am-meter should be connected in which of the following
