Chapter 1

Question 1

Class A Fires

Answer 1

Wood, paper, cloth, rubber, plastics, rubbish, upholstery

Question 2

Class B Fires

Answer 2

Gasoline, Oil, Grease, Paint, Lighter fluid

Question 3

Class C Fires

Answer 3

Motors, appliances, wiring, fuse boxes, switchboards

Question 4

Class D Fires

Answer 4

Aluminum, magnesium, potassium, sodium, titanium, zirconium

Question 5

MSDS

Answer 5

Sheets containing extensive information and facts about hazardous material

Falls Under the Right to know laws

Question 6

Starting System Safety

Answer 6

• Some vehicles with onboard computers must have an auxiliary power source
• Disconnect ground or negative wire first and connect it last
• Avoid contact with the BAT terminal

Question 7

Air Bag System

Answer 7

• Supplemental restraint
• Deployed by an explosive charge
• Do not place your arm over the module
• Don’t use electrical testers

Question 8

Anti Lock Brake System Safety

Answer 8

Use hydraulic pressure and an accumulator to store brake fluid

Question 9

Hybrid Electric Vehicle Safety

Answer 9

• wear high voltage insulating gloves
• Do not wear metallic objects
• Never cut the orange high voltage cables

Question 10

One hand rule

Answer 10

Only use one hand when servicing HV system so their is not continuity through YOU

Question 11

When working with _______ and_______ be aware of where you are placing your hands and fingers

Answer 11

pulleys and belts

Question 12

Never use ____________ For cleaning clothes

Answer 12

Compressed air

Question 13

Floor jack is only for lift the vehicle so make sure to always use ____________________________To secure the vehicle

Answer 13

Safety Stands

Question 14

The airbag system may reserve energy for up to ____ MIn after the battery is disconnected

Answer 14

30

Question 15

Never assume the _____ of an HEV are off

Answer 15

high voltage circuits

Question 16

Insulated _____ must be ________ for Integrity

Answer 16

Gloves, tested

Question 17

Starting system

Answer 17

• Combo of mechanical and electrical parts

- changes electrical energy supplied by the battery to mechanical energy

Question 18

starting system components

Answer 18

Battery 
cable wires 
Ignition switch 
starter solenoid 
starter motor 
starter drive /flywheel ring gear 
starting safety switch

Question 19

ignition switch

Answer 19

power distribution point for the vehicle’s primary electrical system

Question 20

neutral safety switch

Answer 20

used on vehicles equipped with automatic transmissions

opens the starter control circuit in park or neutral

Question 21

Charging system

Answer 21

converts mechanical energy into electrical energy

Question 22

Charging system components

Answer 22

Ac/Dc current 
battery 
Charge indicator 
Cables
Drive belt
fusible Link (some systems) 
Starter relay (some systems) 
voltage regulator

Question 23

Lighting system

Answer 23

• Consists of all the lights used on the vehicle

- regulated by federal laws so systems are similar among vehicles

Question 24

Vehicle instrumentation systems

Answer 24

This monitors various vehicle operating systems and provides information to the driver

Question 25

Electrical accessories

Answer 25

include horn, windshield wipers washers etc

Question 26

multiplexing

Answer 26

allows control modules to share information
a system of vehicle communications
uses BUS (transportation of data from module to module)

Question 27

Electric vehicle

Answer 27

-Vehicle that powers its motor off of a battery pack

Question 28

Hybrid electric vehicle

Answer 28

-Uses both an electric motor and a combustible engine

Question 29

Fuel cell vehicles

Answer 29

work on a regenerative fuel cell