Final

Question 1

Technician A says that an analog scope can store a waveform for viewing later. Technician B says that the trigger level has to be set on most scopes to be able to view a changing wave form. Who is correct?

Answer 1

B

Question 2

An oscilloscope display is called a __________.

Answer 2

Graticule

Question 3

Setting the time base to 50 ms per division will allow the technician to view a waveform how long induration?

Answer 3

500 ms

Question 4

A throttle position sensor waveform is going to be observed. What setting should the volts per division be set to see the entire way form from 0 V to 5 V?

Answer 4

1.0V/Div

Question 5

Cycles per second are expressed in _________.

Answer 5

Hertz

Question 6

The higher the AWG number, ________________.

Answer 6

The smaller the wire diameter

Question 7

Which statement is true about fuse ratings?

Answer 7

Both the fuse rating should be higher than the normal current for the circuit and 80% of the fuse rating should equal the current in a circuit

Question 8

The type of solder that should be used for electrical work is _________.

Answer 8

Rodin core

Question 9

If a wire repair, such as repair is made under the hood or under a vehicle is exposed to the elements, which repair should be used?

Answer 9

Solder and adhesive-lined heat shrink or Crip and seal connectors

Question 10

Many ground straps are uninsulated and braided because ____________.

Answer 10

But they are more flexible to allow for movement of the engine without breaking the wire and they help dampen radio frequency interference

Question 11

On a wiring diagram, S110 with a “.8 BRN/BLK” means ________.

Answer 11

You splice of a brown with black stripe, wire size being 0.8 mm² or 18 gauge AWG

Question 12

Where is connector C250 located?

Answer 12

Under the dash

Question 13

When testing a relay using an ohm meter, which two terminals should be touched to measure the coil resistance?

Answer 13

86 and 85

Question 14

Technician a says that a good relay should measure between 60 and 100 ohms across the coil terminals. Technician B says that OL should be displayed on an ohmmeter when touching terminal 30 and 87 which technician is correct?

Answer 14

Both

Question 15

For an electrical device to operate, it must have __________.

Answer 15

Power and ground

Question 16

A capacitor __________.

Answer 16

All of the above

Stores electrons, passes AC, blocks DC.

Question 17

To increase the capacity, the capacitor should be connected in ____________.

Answer 17

Parallel

Question 18

They charged capacitor acts like a ___________.

Answer 18

Battery

Question 19

Unit of measurement for capacitor ratings is the ________.

Answer 19

Farad

Question 20

A capacitor can be used in what components?

Answer 20

All of the above

A microphone, a radio, a speaker.

Question 21

Ignition a says that a relay is an electro magnetic switch. Technician B says that a solenoid uses a movable core. Which technician is correct?

Answer 21

Both

Question 22

Electromagnetic interference can be reduced by using a ________.

Answer 22

All of the above

Resistance, capacitor, coil.

Question 23

And ignition coil is an example of a(n) ________.

Answer 23

Step up transformer

Question 24

Magnetic field strength is measured in _______.

Answer 24

Ampere-turns

Question 25

Technician a says that magnets are typically used in some speed sensors. Technician B says magnets are used and potentiometers. Which technician is correct?

Answer 25

A

Question 26

Interior overhead lights (dome lights) are operated by door jam switches that________.

Answer 26

Either complete the power side of the circuit or complete the ground side of the circuit depending on the application.

Question 27

A customer complained that every time he turned on his vehicles lights, the left side turn signal indicator light on the dash remained on. The most likely cause is ___________.

Answer 27

Either a poor ground to the parking light or taillight on the left side or a defective parking light bulb on the left side

Question 28

A defective taillight or front park lightbulb could cause ____________.

Answer 28

All of these

Question 29

Technician a says that automotive bulbs are identified by trade numbers. Technician B says that the trade number is the difference for each manufacturer for the exact same bulbs specification. Who is correct?

Answer 29

A

Question 30

Technician a says that daytime running lights (DRLs) light the headlights, usually at reduced intensity, whenever the engine is running. Technician B says that high intensity discharge (HID) headlights are brighter and have a yellow tent. Who is right?

Answer 30

A