Exam (elaborations)
HEAVY TRUCK ELECTRICAL MICHIGAN MECHANIC STUDY GUIDE
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HEAVY TRUCK ELECTRICAL MICHIGAN MECHANIC STUDY GUIDE
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HEAVY TRUCK ELECTRICAL MICHIGANMECHANIC STUDY GUIDE QUESTIONS WITH
CORRECT ANSWERS
jTHE 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)
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