16.

Answer A is correct. Rosin core solder is non conductive and non corrosive.

Answer B is wrong. Silver solder is a brazing solder.

Answer C is wrong. Zinc can have a corrosive effect on certain metals.

Answer D is wrong. Acid core solder is usually used on pipes.

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17.

Answer A is wrong. A closed switch would activate the window.

Answer B is correct. A short to ground will increase the current in a circuit.

Answer C is wrong. Technician B is correct.

Answer D is wrong. Technician B is correct.

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18.

Answer A is wrong. A voltage limiter keeps the voltage at or around 5 volts.

Answer B is wrong. When they are faulty it will often result in high gauge readings.

Answer C is correct. Both technicians are correct.

Answer D is wrong. Both technicians are correct.

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19.

Answer A is wrong. The symbol is for a capacitor.

Answer B is correct. Capacitors are used in many automotive circuits.

Answer C is wrong. Technician B is correct.

Answer D is wrong. Technician B is correct.

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20.

Answer A is wrong. The windshield wipers would be inoperable.

Answer B is correct. Binding linkage will cause the wipers to drag.

Answer C is wrong. Technician B is correct.

Answer D is wrong. Technician B is correct.

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