1. A charging system voltage drop test is being performed. Tech A says that a
reading of 27mv indicates excessive resistance in the circuit. Tech B says that
the engine should be off while performing this test. Who is right?
A. Tech A only
B. Tech B only
C. Both Tech A and B
D. Neither Tech A nor B Answer - D. Neither Tech A nor B
2. Tech A says that Ohm's Law can be used to calculate the total current flow in
a circuit. Tech B says that Ohm's Law can be used to calculate the total
resistance in a circuit. Who is right?
A. Tech A only
B. Tech B only
C. Both Tech A and B
D. Neither Tech A nor B Answer - C. Both Tech A and B
3. A vehicle's heated rear window glass does not defrost. However, the dash
indicator light comes on when the switch is activated. Technician A says that a
break in one of the grids (lines) of the window could be the cause. Technician B
says that an open ground side of the rear window grids (lines) could be the
cause. Who is right?
A. Tech A only
, B. Tech B only
C. Both Tech A and B
D. Neither Tech A nor B Answer - B. Tech B only
4. Which of these would most likely cause lamps to burn out prematurely on a
vehicle?
A. An intermittent short circuit.
B. High charging system voltage.
C. A badly sulfated battery.
D. High resistance at the chassis ground. Answer - B. High charging system
voltage.
5. When the digital multimeter (DMM) is set to measure DC voltage and is
connected in parallel across a load device, which of these is being measured?
A. Voltage drop.
B. Voltage spike.
C. Circuit amperage.
D. Pulse width modulation. Answer - A. Voltage drop.
6. What harness color code indicates high voltage requiring special safety
precautions on a Hybrid Electric car?
A. Red
B. Yellow
C. White
D. Orange Answer - D. Orange
7. The turn signal indicator light illuminates, but does not flash when the left
turn signal is selected. This could be caused by:
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