Question

1) Technician A says that short circuit would result in increased current
flow from the battery. Technician B says that a short circuit will cause
a decrease in circuit resistance. Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

2) Which Statement is true?

A) Ohm's Law is E (Voltage) = I (current) X R (Resistance).
B) Ohm's Law is I (Current) = E (Voltage) x R (Resistance).
C) Ohm's Law is W (Watts) = I (Currect) x R (Resistance).
D) Ohm's Law is A (Amps) = I (Current) x R (Resistance).

3) When using an ammeter to perform a current draw test, a reading grater
than specific would:

A) an open circuit.
B) excessive circuit resistance.
C) a decreases in circuit resistance.
D) Either A and B.

4)Technician A says electrical devices are not used on late-models
vehicles. Technician B says they use mobil parts for operation. Who is
right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor

5) In a parallel circuit:

A) The voltage is the same throughout the circuit, but the current is
divided.
B) The Total circuit resistance is always smaller than the smallest
resistor in the circuit.
C) There is more than one path for the current to flow.
D)All of the above.

6)When working with an ECM unit:

A) Plug in or unplug the unit with the key in the "Off" position.
B) Unplug the unit whenever you use a battery charger or welder.
Disconnect the battery Cable first.
C)The ignition key must be in off position when disconnecting and
reconnection any ECM unit and actuators.
D) All of the above.

7) Technician A says that when using an ohmmeter, a full-scale reading
(infinity)indicates no continuity. Technician B says that when a low or
zero reading indicates continuity.Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

8) What occurs when two adjacent conductors make electrical contact and
by-pass a portion of the circuit?

A) A short.
B) An open.
C) A ground.
D) Resistance increases.

9) When measuring a diode with an ohmmeter and then measuring again with
the leads reversed. You should obtain.

A) Two low reading.
B) Two high (infinite) readings.
C) Continuity in one derection only.
D) None of the above.

10) A maintenance free battery is low on electrolyte. and the built-in
hydrometer indicates light yellow. Technician A says that the problem may
be cause by a defective voltage regulator. Technician B says this problem
may be cause of a loose alternator belt. Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

11) Technician A says the test to determine battery conditions and
performance a battery charge test should be done. Technician B says that a
hydrometer testing is a proper procedure to test a battery. Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

12) All of the above can be used to check the condition of a maintenance
free battery, Except:

A) Hydrometer.
B) Load tester.
C) Voltmeter.
D) Ammeter.

13) A battery maintenance and inspection should be conducted:

A) During Tune ups.
B) During grease jobs.
C) Any time symptoms point to battery problems.
D) All of the above.

14) Technician A says a starting motor armature is a metal framework with
several sets of windings wrapped around. Technician B says each set of
armature windings is connected to a brush. Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

15) Which of the following is true of the overrunning clutch type starter
drive?

A) Uses a shift level.
B) Will slip if the cranking load becomes too great.
C) Both A and B.
D) Neither A nor B.

16) A starter motor has an unusually high amperage draw accompanied by
slow cranking speed. Technician A says that could be caused by the
armature rubbing on the pole shoes. Technician B says this could be caused
by bad stater bushings. Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

17) A starter motor spins but does not turn the engine. This could be
caused by:

A) Worn crankshaft thrust bearings.
B) The meshing Mechanism sllipping.
C) Both A and B.
D) Neither A nor B.

18) A battery cable problem produces symptoms simillar to each of the
following. Except:

A) Weak starter motor.
B) Starter motor brush holder problem.
C) Dead Battery.
D) Bad starter solenoid.

19) The alternator regulator controls output voltage by:

A) Grounding the stator calls at the "Y" connection.
B) Grounding the diodes.
C) Inserting resistance in the circuit feeding battery current to the
field coil.
D) Grounding The rectifier bridge.

20) The ohmmeter needle does not move when connected to alternator slip
rings. This indicates that the rotor windings is:

A) Shorted.
B) Grounded.
C) Complete.
D) Open.

21) Alternator diodes are needed for:

A) Controling current output.
B) Rectification of AC current.
C) Rectification of DC current.
D) Protection against overcharging.

22) A charge indicator can be any of these, Except:

A) Warning Light.
B) Ohmmeter.
C) Voltmeter.
D) Ammeter.

23) )When fully charged an automotive battery, Has:

A) 13 to 15 volts.
B) 16 to 19 volts.
C) 20 to 25 volts.
D) 12.3 volts.

24) All of this statements about halogen headlight bulb replacement true.
Except:

A) Handle the halogen bulb only by the base.e.
B) Do not drop or scratch the Bulb.
C) Change the bulb with the headlights on.
D) Keep moisture away from the bulb.

25) The headlight on a vehicle goes out intermittently and come back on in
a few minutes.Technician A says this is caused by an intermittent short to
ground. Technician B says this problem may be caused by high charging in
the system?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

26) The component used to cause the turn light bulbs to flash on and off
is the:

A) Switch.
B) Flasher.
C) Controller.
D) Turn relay.

27) Vehicle has dim headlights, what could be the cause?

A) Corroded ground connection.
B) Burned out light in the circuit.
C) Shorted dimmer switch.
D) Shorted headlights switch.

28) Vehicle has intermittently blinking parking light. Technician A
replaces the bulb with a good one. Technician B checks for circuit loose
connections. Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

29) An oil gauge does not read correctly, What is the most likely cause of
the problem?

A) Short in gauge circuit.
B) Resistance in sending unit circuit.
C) Open in gauge circuit.
D) All of the above.

30) Technician A says current flow from the sender unit will decrease as
fuel increases. Technician B says resistance of sender unit increases as
fuel increases. Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

31) Oil warning light lights whenever car goes over a bump. what is the
most likely cause of the problem?

A) Sending unit wire is loose and shorting.
B) Light circuit is open.
C) Sending unit is shorted to ground.
D) Low oil pressure.

32) Technician A says an inaccurate temperature gauge reading is most
often caused by an open circuit. Technician B says an inaccurate
temperature gauge reading can be verified by installing a known good
gauge. Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

33) Which of the following gauge problems is caused by a defective
instrument voltage regulator (IVR)

A) All give incorrect readings.
B) All fail at the same time.
C) All show pointer vibration greater than the width of the pointer.
D) All of the above.

34)Technician A says if wire to the sending unit show is disconnected,
gauge will show zero measurement. Technician B says correct procedure for
testing sending unit shown is to ground sending unit wire and expect a
high gauge reading. Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

35) All of the following are considered basic wiper system components.
Except:

A) Wiper motor.
B) Drive arm.
C) Washer pump.
D) Wiper gearbox.

36) All of the following are basic parts of an automotive horn, Except:

A) Horn coil.
B) Bridge rectifier.
C) Flexible diaphragm.
D) Plunger.

37) Electrical accessories on cars are protected against short circuits by:

A) Fusible links.
B) Circuit Breaker.
C) Fuses.
D) All of the above.

38) A radio speaker is going to be removed from the instrument panel for
testing. Technician A says to test the speaker you should us a ohmmeter.
Technician B says to remove the radio fuse, as transistor damage can
result if the radio is turned on when speaker removed.

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

39) A customer complains that the cigarette lighter in his car doesn't pup
out. Also, when the lighter is depressed, The dome light and the courtesy
light glow. According to the above diagram what could be wrong?

A) A blown Fuse.
B) A poor Lighter ground.
C) Low circuit resistance.
D) A burned out lighter element.

40) The fuse for power window system is blown, Which of the these is the
least likely cause?

A) Short in motor.
B) Open in motor's circuit.
C) Window linkage is binding.
D) Wire is shorted to ground somewhere in the circuit.

41) All could cause one power door lock not to work, Except:

A) Defective door switch.
B) Defective motor or solenoid.
C) Binding lock linkage.
D) Defective circuit breaker.

42) Radio noise is coming from a car's stereo system. Technician A checks
the condition of the vehicle spark plug. Technician B inspects the
condition of the radio antenna. Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

43) Technician A says that if memory seat will not move at all. you should
check voltage and ground to the memory module first. Technician B says
that you should also bypass the memory module and check the switch. Who is
right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

44) Technician A says that sunroof motor current polarity is switched by
the limit switches. Technician B says that you should revise sunroof motor
operation by reversing current polarity to see if it runs in both
directions. Who is right?

A) A only.
B) B only.
C) Both A and B.
D) Neither A nor B.

45) A power seat moves very slowly or not at all. The following could be
the cause, Except:

A) Faulty motor.
B) Poor ground connection.
C) Binding linkages.
D) An open Switch.