The Fleet Tech Challenge Trivia: Quiz
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- 1.Technician A says a higher than normal voltage drop could indicate high resistance. Technician B says high resistance causes an increase in current flow. Who is correct?
- A.
Technician A
- B.
Technician B
- C.
Both Techs A and B
- D.
Neither Technician A nor B
- 2.An excess of electrons will give the atom a/n:
- A.
Positive charge
- B.
Negative charge
- C.
Atomic charge
- D.
Neutral charge
- 3.Two technicians are discussing voltage. Technician A says that amperage is the number of electrons flowing in a circuit. Technician B says that voltage is the amount of force in a circuit. Who is correct?
- A.
Technician A
- B.
Technician B
- C.
Both Technicians A and B
- D.
Neither Technician A nor B
- 4.Technician A says a parasitic draw is when the alternator is charging the battery. Technician B says when performing a parasitic draw test, you should wait until all of the modules have gone to sleep. Who is correct?
- A.
Technician A
- B.
Technician B
- C.
Both Technicians A and B
- D.
Neither Technician A nor B
- 5.When performing a battery open circuit voltage test, what voltage indicates a fully charged battery?
- A.
12.0 volts
- B.
12.4 volts
- C.
12.6 volts
- D.
13.5 volts
- 6.A voltage drop test is being performed on the output wire of the alternator, between the alternator output wire to the battery positive post. Technician A says that the voltage drop should be approximately 12.0 volts. Technician B says that during the voltage drop test, the engine should be at the specified rpm and the battery loaded down so the alternator puts out maximum current flow. Who is correct?
- A.
Technician A
- B.
Technician B
- C.
Both Technician A and B
- D.
Neither Technician A nor B
- 7.Two technicians are discussing a charging system output test. Technician A says that an amp reading substantially below specifications could be caused by open diodes. Technician B says it could be caused by a faulty regulator. Who is correct?
- A.
Technician A
- B.
Technician B
- C.
Both Technicians A and B
- D.
Neither Technician A nor B
- 8.Two technicians are discussing a vehicle's charging system running at 17.2 volts. Technician A says it is normal for newer vehicles to run a higher voltage like that. Technician B says a faulty voltage regulator could cause that condition. Who is correct?
- A.
Technician A
- B.
Technician B
- C.
Both Technicians A and B
- D.
Neither Technician A nor B
- 9.Two technicians are discussing a starter that clicks once when turning the key to the crank position. Technician A says that it could be caused by worn solenoid contacts. Technician B says it could be caused by an open ignition switch. Who is correct?
- A.
Technician A
- B.
Technician B
- C.
Both Technicians A and B
- D.
Neither Technician A nor B
- 10.Two technicians are discussing a higher than normal starter draw amperage reading. Technician A says that could be caused by excessive resistance on the starter ground circuit. Technician B says that could be caused by shorted field windings in the starter. Who is correct?
- A.
Technician A
- B.
Technician B
- C.
Both Technician A and B
- D.
Neither Technician A nor B
- 11.Disconnecting which of the following would allow the engine to crank but prevent it from starting?
- A.
Neutral safety switch
- B.
Battery ground cable
- C.
Ignition switch
- D.
Ignition system or fuel system
- 12.What is an example open circuit?
- A.
A power wire that has melted to a power wire
- B.
A break in the wire
- C.
A power wire that has melted to a ground wore
- D.
A switch that has current flowing through it
- 13.When measuring voltage with a voltmeter, place:
- A.
The red lead in the "Amps" slot and the black lead in the "Neg" slot.
- B.
The red lead in the "Common slot" and the black lead in teh "Volt/Ohms" slot.
- C.
The red lead in the "Volt/Ohms" slot and the black lead in the "Common" slot.
- D.
The red lead in the "Pos" slot and the black lead lead in the "Neg" slot.
- 14.You have a 4 ohm resister in series with a 12 battery. How many amps will flow through the resistor?
- A.
1 amp
- B.
2 amps
- C.
3 amps
- D.
4 amps
- 15.A circuit has 12 volts and a 0.5 ohm resistor. How many amps flow through the resistor?
- A.
6
- B.
60
- C.
4.8
- D.
24
- 16.Two technician are discussing automotive wire. Technician A says that 12 AWG wire carries more current than 8 AWG. Technician B says that as long as they are both made of copper, they will carry the same amount of current. Who is correct?
- A.
Technician A only
- B.
Technician B only
- C.
Both Technician A & Technician B
- D.
Neither Technician A nor Technician B
- 17.Two technicians are discussing relays. Technician A says that relays can fail because the relay winding is open. Technician B says relays can fail because the switch contacts can have high resistance. Who is correct?
- A.
Technician A
- B.
Technician B
- C.
Both Technician A and B
- D.
Neither Technician A nor B
- 18.Fuses prevent circuit damage by:
- A.
Limiting voltage increases
- B.
Reducing wiring length
- C.
Decreasing circuit resistance
- D.
Stopping excessive current flow
- 19.Tech A says that to read amperage, the meter must be hooked up in series in a circuit. Tech B says that to read amperage at a load, you should place one lead of the ammeter on the input side of the load and the other lead on the output side of the load. Who is correct?
- A.
Technician A
- B.
Technician B
- C.
Both A and B
- D.
Neither A nor B
- 20.Technician A states that disc brake rotors can be reused as long as the surface is machined smooth. Technician B states that disc brake rotor thickness variation is measured with a micrometer. Who is correct?
- A.
Technician A
- B.
Technician B
- C.
Both Technician A and Technician B
- D.
Neither Technician A nor Technician B
- 21.Excessive disc brake rotor thickness variation will cause:
- A.
A squishy brake pedal.
- B.
The brake pads to wear on a slant.
- C.
The caliper pistons to seize in their bores.
- D.
Brake pedal pulsation.
- 22.Disc brake rotors can be out of specification in two ways: thickness variation and:
- A.
Hardness
- B.
Tire runout
- C.
Lateral runout
- D.
Specific gravity
- 23.Air in the brake lines will cause what type of problem?
- A.
Vibration in the brake pedal during stops
- B.
Spongy brake pedal
- C.
Hard brake pedal
- D.
Brake noise
- 24.To perform an internal leak test on a vacuum power booster, let the engine idle and apply the brake pedal with firm pressure. Without moving your foot, shut off the engine and observe the brake pedal for 1 minute. If the power booster is good, what should the brake pedal do?
- A.
Slowly sink
- B.
Pulsate rapidly
- C.
Slowly rise
- D.
Hold steady
- 25.All of the following are properties of DOT 5 brake fluid, EXCEPT:
- A.
It is less harmful to paint than DOT 3 and DOT 4 fluids
- B.
It is not suitable for vehicles equipped with an anti-lock braking system
- C.
It absorbs water
- D.
It is not hygroscopic
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