2
310T Exam - Electronical and Electrical Systems questions
|| || || || || || || ||
with verified answers
|| ||
1. When trouble shooting an electrical engine or transmission, what else might be require?
|| || || || || || || || || || || || ||
a. Test lamp
|| ||
b. Break out box
|| || ||
c. Continuity tester
|| ||
d. Ohm meter - ✔✔b. break out box
|| || || || || || ||
2. An electronically equipped vehicle over heats, the engine fan will no engage upon engine
|| || || || || || || || || || || || || || ||
ECM
request. What is likely the issue?
|| || || || ||
a. Relay contacts burnt
|| || ||
b. Open in the relay
|| || || ||
c. Solenoid open-circuit
|| ||
d. Solenoid seized - ✔✔b. open in the relay
|| || || || || || || ||
3. When performing a test on the stator, there is "zero-ohms" measured between the
|| || || || || || || || || || || || || ||
windings
end and the stator frame. What should be done?
|| || || || || || || ||
a. Replace the stator
|| || ||
b. Re-solder windings
|| ||
c. Install new brushes
|| || ||
d. Increase the voltage - ✔✔a. Replace the stator
|| || || || || || || ||
4. Alternator rings are pitted but can be repaired, what procedure should be done?
|| || || || || || || || || || || || ||
,2
a. Polish with a crocus cloth
|| || || || ||
b. Smooth with fine sandpaper
|| || || ||
c. Replace slip rings
|| || ||
d. Install new brushes as-is - ✔✔a. polish for a crocus cloth
|| || || || || || || || || || ||
5. What procedure should be followed when repairing multiple wires within a short section
|| || || || || || || || || || || || || ||
of a
||
wiring harness? ||
a. Twist wires together
|| || ||
b. Twist and tape connections
|| || || ||
c. Solder wires in parallel
|| || || ||
d. Stagger splices, solder and tape - ✔✔d. Stagger splices, solder and tape
|| || || || || || || || || || || ||
6. When the brakes are applied, the trailer clearance lights become dim and flicker, what is
|| || || || || || || || || || || || || || || ||
the
likely cause?||
a. Light switch overload
|| || ||
b. High resistance in the tail light assembly
|| || || || || || ||
c. Short circuit at the trailer connector
|| || || || || ||
d. Incorrect supply voltage - ✔✔c. Short circuit at the trailer connector
|| || || || || || || || || || ||
7. Cruise control functions fine during the day time, once the running lights are on, cruise
|| || || || || || || || || || || || || || || ||
control
fails to function. What is the likely cause?
|| || || || || || ||
a. Faulty switch
|| ||
b. High resistance in the trailer plug
|| || || || || ||
c. Short circuit in the brake light circuit
|| || || || || || ||
, 2
d. open circuit in the brake light circuit - ✔✔c. Short circuit in the brake light circuit
|| || || || || || || || || || || || || || || ||
8. What is the correct procedure for testing the pickup coil in a SI engine?
|| || || || || || || || || || || || || ||
a. Voltmeter
||
b. Test light
|| ||
c. Oscilloscope
||
d. Ohmmeter - ✔✔d. Ohmmeter
|| || || ||
9. In order to properly repair wiring, what is the proper procedure?
|| || || || || || || || || || ||
a. Solder with a resin core, then heat shrink
|| || || || || || || ||
b. Solder with an acid core, then heat shrink
|| || || || || || || ||
c. Butt splice
|| ||
d. Butt connectors - ✔✔a. Solder with a resin core, then heat shrink
|| || || || || || || || || || || ||
10. Alternator output is low, what should be checked first?
|| || || || || || || || ||
a. Voltage regulator
|| ||
b. Diode trio
|| ||
c. Commutator
||
d. Slip ring - ✔✔a. Voltage regulator
|| || || || || ||
11. What turns the three-phase alternating current into Direct current in a alternator?
|| || || || || || || || || || || ||
a. Voltage regulator
|| ||
b. Slip rings
|| ||
c. Stator
||
d. Diode trio - ✔✔d. diode trio
|| || || || || ||
310T Exam - Electronical and Electrical Systems questions
|| || || || || || || ||
with verified answers
|| ||
1. When trouble shooting an electrical engine or transmission, what else might be require?
|| || || || || || || || || || || || ||
a. Test lamp
|| ||
b. Break out box
|| || ||
c. Continuity tester
|| ||
d. Ohm meter - ✔✔b. break out box
|| || || || || || ||
2. An electronically equipped vehicle over heats, the engine fan will no engage upon engine
|| || || || || || || || || || || || || || ||
ECM
request. What is likely the issue?
|| || || || ||
a. Relay contacts burnt
|| || ||
b. Open in the relay
|| || || ||
c. Solenoid open-circuit
|| ||
d. Solenoid seized - ✔✔b. open in the relay
|| || || || || || || ||
3. When performing a test on the stator, there is "zero-ohms" measured between the
|| || || || || || || || || || || || || ||
windings
end and the stator frame. What should be done?
|| || || || || || || ||
a. Replace the stator
|| || ||
b. Re-solder windings
|| ||
c. Install new brushes
|| || ||
d. Increase the voltage - ✔✔a. Replace the stator
|| || || || || || || ||
4. Alternator rings are pitted but can be repaired, what procedure should be done?
|| || || || || || || || || || || || ||
,2
a. Polish with a crocus cloth
|| || || || ||
b. Smooth with fine sandpaper
|| || || ||
c. Replace slip rings
|| || ||
d. Install new brushes as-is - ✔✔a. polish for a crocus cloth
|| || || || || || || || || || ||
5. What procedure should be followed when repairing multiple wires within a short section
|| || || || || || || || || || || || || ||
of a
||
wiring harness? ||
a. Twist wires together
|| || ||
b. Twist and tape connections
|| || || ||
c. Solder wires in parallel
|| || || ||
d. Stagger splices, solder and tape - ✔✔d. Stagger splices, solder and tape
|| || || || || || || || || || || ||
6. When the brakes are applied, the trailer clearance lights become dim and flicker, what is
|| || || || || || || || || || || || || || || ||
the
likely cause?||
a. Light switch overload
|| || ||
b. High resistance in the tail light assembly
|| || || || || || ||
c. Short circuit at the trailer connector
|| || || || || ||
d. Incorrect supply voltage - ✔✔c. Short circuit at the trailer connector
|| || || || || || || || || || ||
7. Cruise control functions fine during the day time, once the running lights are on, cruise
|| || || || || || || || || || || || || || || ||
control
fails to function. What is the likely cause?
|| || || || || || ||
a. Faulty switch
|| ||
b. High resistance in the trailer plug
|| || || || || ||
c. Short circuit in the brake light circuit
|| || || || || || ||
, 2
d. open circuit in the brake light circuit - ✔✔c. Short circuit in the brake light circuit
|| || || || || || || || || || || || || || || ||
8. What is the correct procedure for testing the pickup coil in a SI engine?
|| || || || || || || || || || || || || ||
a. Voltmeter
||
b. Test light
|| ||
c. Oscilloscope
||
d. Ohmmeter - ✔✔d. Ohmmeter
|| || || ||
9. In order to properly repair wiring, what is the proper procedure?
|| || || || || || || || || || ||
a. Solder with a resin core, then heat shrink
|| || || || || || || ||
b. Solder with an acid core, then heat shrink
|| || || || || || || ||
c. Butt splice
|| ||
d. Butt connectors - ✔✔a. Solder with a resin core, then heat shrink
|| || || || || || || || || || || ||
10. Alternator output is low, what should be checked first?
|| || || || || || || || ||
a. Voltage regulator
|| ||
b. Diode trio
|| ||
c. Commutator
||
d. Slip ring - ✔✔a. Voltage regulator
|| || || || || ||
11. What turns the three-phase alternating current into Direct current in a alternator?
|| || || || || || || || || || || ||
a. Voltage regulator
|| ||
b. Slip rings
|| ||
c. Stator
||
d. Diode trio - ✔✔d. diode trio
|| || || || || ||
