Deck 1: Introduction to Automotive Electrical and Electronic Systems Safety

Question 1

Technician A says that most manufacture's use stand-alone electrical systems. Technician B says that in a networked system a fault in one component may cause several symptoms. Who is correct?

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

Answer 1

B

Question 2

Federal regulations have mandated the use of automatic ____ in all vehicles sold in the United States after 1990.

A) transmissions
B) steering systems
C) passive restraint systems
D) diagnostic modules

Answer 2

C

Question 3

Multiplexing means to use several modules to control a system.

Answer 3

False

Question 4

A neutral safety switch is used on vehicles with automatic transmissions.

Question 5

Today there are very few electrical systems that are still ____.

A) networked
B) battery operated
C) independent
D) complex

Question 6

Similar to an electric vehicle, a fuel cell-powered vehicle uses a(n) ____ to supply torque to the drive wheels.

A) battery
B) compressor
C) MUX wiring system
D) electric motor

Question 7

The vehicle lighting system only includes the lights on the exterior of the vehicle.

Question 8

The purpose of the ____ system is to convert the mechanical energy of the engine into electrical energy to recharge the battery and run the electrical accessories.

A) battery
B) charging
C) computer
D) electrical

Question 9

Today, most vehicle manufacturers network their electrical systems through computers.

Question 10

Power mirrors are considered an electrical accessory.

Question 11

Vehicle ____ systems monitor the various vehicle operating systems and provide information to the driver about their correct operation.

A) charging
B) lighting
C) power
D) instrumentation

Question 12

Rear window defoggers use the principle of ____ to heat the glass.

A) controlled resistance
B) infinite resistance
C) alternating current
D) multiplexing

Question 13

The use of automatic passive restraint systems is Federally mandated on all passenger vehicles sold in the United States after 1990.

Question 14

Technician A says the basic starting system includes a MUX capacitor. Technician B says the basic starting system includes the vehicle battery. Who is correct?

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

Question 15

A(n) ____ is an electronic device that stores and processes data and is capable of operating other devices.

A) master control switch
B) computer
C) assembler
D) control module

Question 16

A charging system is used to restore electrical power to the battery that was used during engine starting.

Question 17

The ____ controls the output voltage of the AC generator, based on charging system demands, by controlling field current.

A) starter relay
B) ignition switch
C) current generator
D) voltage regulator

Question 18

Horns operate on the principle of Tires are not involved with any computer system.

Question 19

The vehicle instrumentation systems monitor various vehicle operating systems.

Question 20

Most vehicles today contain one powerful on-board computer.

Question 21

Technician A says it is unlawful for automotive manufacturers to use computers to operate the lighting system. Technician B says Automatic door locks are a passive system used to lock all doors when the required conditions are met. Who is correct?

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

Question 22

Technician A says the neutral safety switch is used on vehicles with automatic transmissions. Technician B says the neutral safety switch is used on vehicles with manual transmissions. Who is correct?

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

Question 23

What may be additional features of keyless entry.

Question 24

What type of vehicle uses both an electric motor and an internal combustion engine?

Question 25

A computer is a device that performs what role as it relates to data?

Question 26

Technician A says Federal regulations require that all electrical systems on an automobile must function the same way. Technician B says Federal regulation limit the number of computer that can be used on a vehicle to 5. Who is correct?

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

Question 27

The purpose of the vehicle multiplex system is to:

A) Allow computers to share information
B) Prevent electromagnetic interference
C) Prevent multiple system failures
D) Increase circuit loads to a sensor

Question 28

An easy exit feature is an additional function of what accessory system?

Question 29

The principle that the automotive horn operates by is:

A) Frequency modulation
B) Induced voltage
C) Electromagnetism
D) Depleting zone bonding

Question 30

What is the purpose of the keyless entry system?

Question 31

What system monitors the various operating systems and provide information to the driver about their correct operation?

Question 32

Explain the basics of HEV operation.

Question 33

Technician A says most manufactures now use a system of vehicle communications called multiplexing. Technician B says multiplexing allows control modules to share information. Who is correct?

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

Question 34

What type of restraints operate automatically with no action required by the driver or occupants of a vehicle?

Question 35

All of the following are true of the easy exit feature of memory seat systems EXCEPT :

A) The system may move the steering wheel up.
B) It is an additional function on memory seat systems.
C) The driver's door is opened automatically.
D) The seat is moved all the way down and back when the vehicle is placed in park.

Question 36

What term is used for the transportation of data from one module to another?

Question 37

List the common components of the antitheft system.

Question 38

Alternate propulsion vehicle systems may include all of the following except:

A) Fuel cell vehicles
B) Hydroelectric vehicles
C) Hybrid vehicles
D) Electric vehicles

Question 39

All of the following statements about an air bag system are true EXCEPT :

A) Deployment is automatic
B) It is a supplemental system
C) It is mandated by the Federal government
D) It is an active system

Question 40

Which of the following is a true statement?

A) Electrical accessories provide additional safety and comfort.
B) The lighting system consists of all the lights used on the vehicle.
C) Antitheft systems are deterrent systems designed to scare off would-be thieves by sounding alarms and/or disabling the ignition system.
D) All of the above.

Question 41

What is the function of the memory seat system?

Question 42

Which of the following is not included in proper lifting practices?

A) Do not lift with your back.
B) Keep your back and elbows straight.
C) Lift the object by yourself so others are out of the way.
D) While carrying the object, do not twist your body to change directions.

Question 43

You should always use high impedance electrical testers when troubleshooting wire harness and crash sensor problems in an air bag system.

Question 44

Which of the following statements concerning gasoline storage is true?

A) Always use approved gasoline containers that are painted blue for proper identification.
B) Prevent air from entering the container by filling gasoline containers completely full.
C) Always transport gasoline containers on plastic bed liners.
D) Do not store a partially filled gasoline container for long periods of time.

Question 45

A manufacturer's service information will usually be the best source of correct procedures when servicing a vehicle.

Question 46

Electrical fires require a Class A fire extinguisher.

Question 47

When depressurizing ABS systems, the ignition switch should be on.

Question 48

On an HEV, never cut the ____ high-voltage power cables.

A) red
B) orange
C) striped
D) neon green

Question 49

Signs of carbon monoxide poisoning may include vomiting, headaches, and/or dizziness.

Question 50

Most air bags are deployed by a(n) ____.

A) explosive charge
B) activation switch
C) battery
D) sudden jolt

Question 51

Do not use solvents or gasoline to clean electrical components.

Question 52

Perform an integrity test on high-voltage gloves each time before use.

Question 53

The charging system serves what purpose on an automobile?

Question 54

Special rubber gloves are recommended for handling ____.

A) nonaggressive liquids
B) caustic chemicals
C) moving parts
D) heavy objects

Question 55

What are passive restraint systems and what are the federal requirements?

Question 56

When disabling the high voltage system in a hybrid vehicle, disconnecting the high-voltage service plug may be all that is needed before servicing the high voltage system.

Question 57

Safety glasses are the best choice to be worn for protection when working with battery acid and refrigerants.

Question 58

Accidental deployment of the airbag module during vehicle service is not possible.

Question 59

Explain the difference between an electric vehicle and a fuel-cell vehicle.

Question 60

What areas have the use of computers in automotive electrical systems expanded into?

Question 61

What should you do to become familiar with the warnings and cautions associated with antilock brake systems?

A) Call the factory representative.
B) Study the service manual for the type of brake system on which you are working.
C) Ask someone in the shop.
D) All of the above.

Question 62

What should you do if battery acid gets into your eyes?

A) Blink fast to start tears.
B) Rub salve in your eyes.
C) Flush your eyes with water and go to a doctor.
D) All of the above.

Question 63

What should be added to a battery if its liquid level is low?

Question 64

Technician A says it is impossible to accidentally deploy the air bag while working on the vehicle. Technician B says components and wires of the air bag system are usually bright yellow. Who is correct?

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

Question 65

When working on electric fan motors, what should you do first?

Question 66

What should you do if battery acid gets into your eyes?

A) Blink fast to start tears.
B) Rub salve in your eyes.
C) Flush your eyes with water and go to a doctor.
D) All of these choices.

Question 67

Which of the following describe(s) carbon monoxide?

A) Carbon monoxide is a colorless gas.
B) Carbon monoxide is odorless.
C) Carbon monoxide is a by-product of combustion.
D) All of the above.

Question 68

Technician A says material safety data sheets (MSDS) contain specific information about hazardous materials. Technician B says material safety data sheets (MSDS) must contain information about health, fire, and reactivity hazards posed by the material. Who is correct?

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

Question 69

Technician A says gasoline can be used as a cleaning solvent. Technician B says it is safe to weld near an empty fuel tank. Who is correct?

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

Question 70

Which of the following should NOT be used to clean electrical components?

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

Question 71

Technician A says when replacing the battery in the vehicle, you should connect the negative cable last. Technician B says when replacing the battery, you should always use new leads. Who is correct?

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

Question 72

List five examples of when proper eye protection should be worn.

Question 73

Technician A says 'Right-to-Know" laws are designed to insure employee awareness of the characteristics of chemicals and solvents existing in the workplace. Technician B says a list of all of the hazardous substances found in the workplace must be posted in the shop. Who is correct?

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

Question 74

Where would the most concise information about the composition of a shop solvent be found?

A) Factory service manual.
B) First aid manual.
C) MSDS sheet.
D) EPA Website.

Question 75

Technician A says shop ventilation is not needed when working on new vehicles because new-vehicle emissions are low. Technician B says the shop's ventilation system should be connected to the exhaust pipe if the engine is running. Who is correct?

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

Question 76

Name four materials involved in Class A fires.

Question 77

What should you do before turning on a battery charger?

A) Check the polarity of the battery.
B) Clean the battery cable ends.
C) Connect the leads.
D) All of these choices.

Question 78

Technician A says evaporation of a solvent from a loosely capped container is a source of pollution. Technician B says hazardous liquids must be separated but does not have to be labeled. Who is correct?

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

Question 79

Technician A says all vehicles with on-board computers must have an auxiliary power source connected before disconnecting the battery. Technician B says to check the service manual before disconnecting the battery to make sure an auxiliary power source should be connected to the on-board computer. Who is correct?

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

Question 80

What are the characteristics of carbon monoxide gas?