Deck 33: Electrical Components

Question 1

Technician A says dash lights are an excellent example of a series-parallel circuit. Technician B says a rheostat is used to control the turn signal lights and the emergency flashers. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Answer 1

A

Question 2

CCA is a battery rating used to identify the cold ________________ amp.

Answer 2

cranking

Question 3

The AWG assigns a _____________ number to an electrical wire based on the wire diameter.

Answer 3

gauge

Question 4

Technician A says a battery that has been heavily discharged should be recharged using a slow trickle charge cycle for approximately 30 minutes and then finish with a 10 minute fast charge. Technician B says a high-voltage hybrid battery should only be charged using vehicle specific equipment that is manufactured by the car manufacturer. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 5

Technician A says another name for a digital multi-meter (DMM) is DVOM. Technician B says a test light is equally effective to use for testing non-functioning circuits. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 6

One non-functioning component in a series circuit will cause the entire circuit to not function.

Question 7

Any module within ___________ inches of a welding site should be removed to avoid damaging it.

Question 8

Kirchhoff's law states that the sum of all voltage drops in a circuit plus the source voltage equals zero.

Question 9

Technician A says a switch is considered a circuit control device. Technician B says a relay is often used when a high amount of voltage must be reduced to a low voltage function. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 10

A fuse and circuit breaker are circuit protection devices used by auto manufacturers to protect the ________________ .

Question 11

Technician A says a state of charge test can be done on a battery by placing the DVOM leads on the positive post of the battery and taking a reading. Technician B says a battery stores energy in electrical form. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 12

Which of the following would not be considered an external light circuit?

A) Headlamp
B) Map light
C) Stop lamp
D) Backup lamp

Question 13

Technician A says an open is any disruption in the circuit and may be a break in the wire, a switch or disconnected light. Technician B says a short occurs when there is an unwanted path for current to flow. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 14

A fully charged automotive battery will measure ____________ volts.

Question 15

Technician A says a voltage drop test is an excellent means of checking circuits for opens or resistance. Technician B says to check for the source of unwanted voltage drop in a circuit, one need only place the contacts at the point where the current leaves the source voltage and the other lead at the point where it returns. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 16

Ohm's law defines the relationship between voltage, current and resistance.

Question 17

A short occurs any time there is an open in a circuit.

Question 18

Technician A says amperage is the amount of electron flow. Technician B says another name for electron flow is current flow. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 19

Technician A says dash lights are an excellent example of a series-parallel circuit. Technician B says a rheostat is used to control the turn signal lights and the emergency flashers. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 20

All wiring repairs are made in the same fashion.

Question 21

A new battery is being put into a vehicle. Cite the proper sequence for removing and disconnecting the old battery and installing and connecting the replacement battery.

Question 22

Two lights each have 2 ohms of resistance and the source voltage is 12 volts. What is the amperage flowing through each light?

Question 23

Using a power supply that has 12 volts, what is the voltage drop across a resistor that has 2 ohms of resistance and the meter shows a reading of 4 amps.

Question 24

A fully charged battery has a specific gravity of 1.375, what will be specific gravity be for: A battery that is 75% charged? A battery that is 30% charged?

Question 25

What safety precautions should be used when charging a battery?