Chapter 3 Flashcards
Chemical cleaning
Relies on chemical actions to remove dirt grease scale paint or rust. Combination of heat, agitation, mechanical scrubbing, or washing may be used. Includes small parts washers, spray washers and salt baths.
Thermal cleaning
Relies on heat which bakes off or oxidizes the dirt. Leaves Ana ash residue that must be removed by additional cleaning.
Abrasive cleaning
Relies on physical abrasion to clean surface
Asbestos
Describes a number of naturally occurring fibrosis materials. It’s a carcinogen and can cause cancer among other diseases
Carbon monoxide
Present in exhaust. Odourless, tasteless, colourless, deadly gas
Chemical hazards
Caused by high concentrations of vapours, gases, or solids in the form of dust
Hazardous waste
Substances that are a result of a service
Physical hazards
Excessive noise, vibration, pressures and temperatures
Ergonomic hazards
Conditions that impede normal or proper body position or motion
Volatile liquid
Vaporizes very quickly
WHMIS
Workplace hazardous materials information system
The right to know and the right to refuse unsafe work
SDS
Safety data sheet
HEPA
High-efficiency particulate air
What year did the right to know laws come into effect
1987
All hazardous waste and asbestos should be disposed of by…
CEPA regulations
What type of mask should be worn when working with brake shoes or clutch disks?
HEPA
Can you use compressed air to blow dirt from bolt holes?
Yes
Class A fire extinguishers
Water foam multipurpose dry chemical
Class b fire extinguishers (flammable liquids)
Foam
Carbon dioxide
Halogenated agent
Standard dry chemical
Purple k fry chemical
Multipurpose fry chemical
Class c fire extinguishers (electrical)
Carbon dioxide
Halogenated agent
Standard dry chemical
Purple k chemical
Multipurpose dry chemical
Class d fire extinguishers (combustible metals)
Dry powder only
How far away do you stand to extinguish a fire
2 to 3 m (6-10ft)
What does pass stand for
Pull
Aim
Squeeze
Sweep
