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11.
Answer A is wrong. Alarm systems use the courtesy light switch to detect a door opening.
Answer B is wrong. Sensitivity can be adjusted in most late model and aftermarket alarms.
Answer C is correct. Both technicians are correct.
Answer D is wrong. Both technicians are correct.
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12.
Answer A is wrong. This is the symbol for a diode.
Answer B is wrong. This is the symbol for a diode.
Answer C is wrong. This is the symbol for a diode.
Answer D is correct. Diodes keep current flowing in one direction and can protect a circuit.
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13.
Answer A is wrong. Use a carbon pile load to keep the voltage under 15 volts.
Answer B is correct. Full-fielding an alternator bypasses the regulator resulting in maximum voltage output.
Answer C is wrong. Technician B is correct.
Answer D is wrong. Technician B is correct.
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14.
Answer A is wrong. It means that it is 1.265 times heavier than the same or equal volume of water.
Answer B is wrong. Always disconnect the negative terminal first.
Answer C is correct. Both technicians are correct.
Answer D is wrong. Both technicians are correct.
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15.
Answer A is wrong. The alternator would likely have low or no output.
Answer B is wrong. The alternator would have no output.
Answer C is wrong. The alternator would likely have low or no output.
Answer D is correct. A burned diode would leave only two-thirds output.
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An ASE Study Guide for the Automotive Technician
A-6 Electrical
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