Chapter 1 Flashcards
Class A Fires
Wood, paper, cloth, rubber, plastics, rubbish, upholstery
Class B Fires
Gasoline, Oil, Grease, Paint, Lighter fluid
Class C Fires
Motors, appliances, wiring, fuse boxes, switchboards
Class D Fires
Aluminum, magnesium, potassium, sodium, titanium, zirconium
MSDS
Sheets containing extensive information and facts about hazardous material
Falls Under the Right to know laws
Starting System Safety
- 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
Air Bag System
- Supplemental restraint
- Deployed by an explosive charge
- Do not place your arm over the module
- Don’t use electrical testers
Anti Lock Brake System Safety
Use hydraulic pressure and an accumulator to store brake fluid
Hybrid Electric Vehicle Safety
- wear high voltage insulating gloves
- Do not wear metallic objects
- Never cut the orange high voltage cables
One hand rule
Only use one hand when servicing HV system so their is not continuity through YOU
When working with _______ and_______ be aware of where you are placing your hands and fingers
pulleys and belts
Never use ____________ For cleaning clothes
Compressed air
Floor jack is only for lift the vehicle so make sure to always use ____________________________To secure the vehicle
Safety Stands
The airbag system may reserve energy for up to ____ MIn after the battery is disconnected
30
Never assume the _____ of an HEV are off
high voltage circuits
Insulated _____ must be ________ for Integrity
Gloves, tested
Starting system
- Combo of mechanical and electrical parts
- changes electrical energy supplied by the battery to mechanical energy
starting system components
Battery cable wires Ignition switch starter solenoid starter motor starter drive /flywheel ring gear starting safety switch
ignition switch
power distribution point for the vehicle’s primary electrical system
neutral safety switch
used on vehicles equipped with automatic transmissions
opens the starter control circuit in park or neutral
Charging system
converts mechanical energy into electrical energy
Charging system components
Ac/Dc current battery Charge indicator Cables Drive belt fusible Link (some systems) Starter relay (some systems) voltage regulator
Lighting system
- Consists of all the lights used on the vehicle
- regulated by federal laws so systems are similar among vehicles
Vehicle instrumentation systems
This monitors various vehicle operating systems and provides information to the driver
Electrical accessories
include horn, windshield wipers washers etc
multiplexing
allows control modules to share information
a system of vehicle communications
uses BUS (transportation of data from module to module)
Electric vehicle
-Vehicle that powers its motor off of a battery pack
Hybrid electric vehicle
-Uses both an electric motor and a combustible engine
Fuel cell vehicles
work on a regenerative fuel cell
