310T Exam - Electronical and Electrical Systems| Questions and answers | Updated RATED A+ | NEW

310T Exam - Electronical and Electrical Systems|
Ques ons and answers | Updated RATED A+ | NEW

1. When trouble shoo ng an electrical engine or transmission, what else might be require?
a. Test lamp
b. Break out box
c. Con nuity 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 pi0ed but can be repaired, what procedure should be done?
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 mul ple wires within a short sec on of a
wiring harness?

,a. Twist wires together
b. Twist and tape connec ons
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 func ons fine during the day me, once the running lights are on, cruise
control
fails to func on. What is the likely cause?
a. Faulty switch
b. High resistance in the trailer plug
c. Short circuit in the brake light circuit
d. open circuit in the brake light circuit

c. Short circuit in the brake light circuit

8. What is the correct procedure for tes ng 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. Bu0 splice
d. Bu0 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 alterna ng current into Direct current in a alternator?
a. Voltage regulator
b. Slip rings
c. Stator
d. Diode trio

d. diode trio

12. Upon disassembly, a no-opera ng starter has loose solder par cles escaping. What is likely
the cause?
a. Over-speed
b. Low ba0ery voltage
c. Defec ve solenoid
d. Excessive voltage

b. low ba0ery voltage

13. A starter solenoid provides a cha0ering sounds while ac vated, what is this likely a cause
of?
a. Open circuit within the starter
b. Defec ve solenoid
c. Open circuit within the hold in windings
d. Low ba0ery voltage

d. Low ba0ery voltage

14. What is the correct procedure when tes ng for cranking amperage using an induc ve pick
up?
a. Place the induc ve pick-up around the starter cable, while cranking
b. Place the induc ve pick up around the ground cable, wile cranking
c. Load test the ba0ery for 15 seconds
d. Perform a ba0ery load test

a. Place the induc ve pick-up around the starter cable, while cranking