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HEAVY TRUCK ELECTRICAL MICHIGAN MECHANIC STUDY GUIDE EXAM
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HEAVY TRUCK ELECTRICAL MICHIGAN MECHANIC STUDY GUIDE EXAM
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HEAVY TRUCK ELECTRICAL MICHIGANMECHANIC STUDY GUIDE EXAM
THE BATTERY IS CONTINUOUSLY OVERCHARGED. WHAT WILL CAUSE THIS
PROBLEM? - -A. A DEFECTIVE REGULATOR OR ALTERNATOR. (CORRECT
AWNSER)
B. A WORN OR DAMAGED BATTERY.
C. A GROUNDED INDICATOR LIGHT.
D. ALL OF THE ABOVE.
- TO CHECK RESISTANCE IN THE STARTER CIRCUIT, YOU WOULD CONNECT
THE NEGATIVE LEAD OF THE VOLT METER TO THE NEGATIVE POST OF THE
BATTERY AND THE POSITIVE LEAD OF THE VOLT METER TO: - -A. THE
STARTER FRAME. (POSSIBLE CORRECT AWNSER)
B. THE STARTER RELAY TERMINAL. (NOT CORRECT AWNSER)
C. THE BATTERY TERMINAL ON THE SOLENOID. (NOT CORRECT AWNSER)
D. THE POSITIVE POST OF THE BATTERY.
- REFER TO THE WINDSHIELD WIPER CIRCUIT IN THE IMAGE. BOTH HIGH
AND LOW SPEEDS WORK OKAY. THE WIPERS DO NOT PARK PROPERLY BUT
STOP AS SOON AS THE DASH SWITCH IS OFF. THIS IS LIKELY DUE TO: - -A.
AN OPEN CIRCUIT AT POINT A.
B. AN OPEN CIRCUIT AT POINT B.
C. A SHORT CIRCUIT TO GROUND AT POINT C. (NOT CORRECT AWNSER)
D. A BAD GROUND AT THE DASH SWITCH D. (NOT CORRECT AWNSER)
- WITH A SEVEN WIRE ELECTRICAL CONNECTION, THE WHITE WIRE WILL
MOST LIKELY BE FOR THE: - -A. BRAKE LIGHT CIRCUIT.
B. TAILLIGHT CIRCUIT.
C. TURN SIGNAL CIRCUIT. (NOT CORRECT AWNSER)
D. GROUND CIRCUIT. (CORRECT AWNSER)
- MAXIMUM ALTERNATOR AMPERAGE IS LIMITED BY: - -A. THE DESIGN AND
SIZE OF THE FIELD AND STATOR COILS. (POSSIBLE CORRECT AWNSER)
B. THE SIZE OF THE DIODES.
C. THE TYPE OF IGNITION SYSTEM AND STARTER USED.
D. THE VOLTAGE REGULATOR. (NOT CORRECT AWNSER)
- A FULLY CHARGED BATTERY CELL PRODUCES APPROXIMATELY HOW MANY
VOLTS? - -A. 1.
B. 2. (CORRECT AWNSER)
C. 4.
D. 3.
, - EVERY FEW DAYS A BATTERY GOES "DEAD". A CURRENT DRAW IS
SUSPECTED. WHAT SHOULD YOU DO TO VERIFY THE PROBLEM? - -A. HOOK
UP AN AMMETER IN SERIES WITH THE BATTERY GROUND CABLE. (CORRECT
AWNSER)
B. HOOK UP A VOLTMETER IN SERIES WITH THE BATTERY GROUND CABLE.
C. HOOK UP AN OHMMETER IN SERIES WITH THE BATTERY GROUND CABLE.
D. HOOK UP A VOLTMETER AT THE POSITIVE TERMINAL OF THE BATTERY AND
THE BATTERY TERMINAL ON THE STARTER SOLENOID.
- REFER TO THE WINDSHIELD WIPER CIRCUIT IN THE IMAGE. THE WIPERS DO
NOT RUN AT ALL ON EITHER SPEED. THIS PROBLEM COULD BE CAUSED BY: -
-A. A BAD GROUND AT THE DASH SWITCH D.
B. AN OPEN CIRCUIT AT POINT B. (NOT CORRECT AWNSER)
C. AN OPEN CIRCUIT AT POINT A. (NOT CORRECT AWNSER)
D. A SHORT CIRCUIT TO GROUND AT POINT C. (POSSIBLE CORRECT AWNSER)
- IN THE CIRCUIT BELOW, THE LEFT TURN SIGNALS WORK, BUT THE RIGHT
TURN SIGNALS DO NOT WORK. THE VOLTMETER READS ZERO. THE CAUSE
OF THIS PROBLEM COULD BE. - -A. FAULTY FLASHER.
B. BAD GROUND ON RIGHT SIDE.
C. FAULTY TURN SIGNAL SWITCH. (CORRECT AWNSER)
D. BURNED OUT BULB ON RIGHT SIDE.
- AMMETER NUMBER 1 (A1) IN THE SCHEMATIC WOULD SHOW: - -A. 2A.
(NOT CORRECT AWNSER)
B. 3A.
C. 6A. (CORRECT AWNSER)
D. 12A.
- THE VOLT METER HOOKUP BELOW IS CHECKING: - -A. CURRENT FLOW.
B. PTENTIAL VOLTAGE.
C. AVAILABLE VOLTAGE.
D. VOLTAGE DROP. (CORRECT AWNSER)
- YOU WOULD HOOK UP AN AMMETER: - -A. IN SERIES WITH THE LOAD.
(CORRECT AWNSER)
B. IN SERIES PARALLEL WITH THE LOAD.
C. PARALLEL WITH THE LOAD.
D. NONE OF THE ABOVE.
- BLOWN FUSES ARE MOST OFTEN CAUSED BY: - -A. SHORT CIRCUITS TO
GROUND. (CORRECT AWNSER)
B. HIGH RESISTANCE.
C. TOO MUCH VOLTAGE.
D. OPEN CIRCUITS.
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