ASE Engine Repair Terms & Definitions Practice Test

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Carbon dioxide CO2
Component in the EGR system, used to meter a controlled amount of exhaust gas into the intake air stream.
A component located on the brake backing plate, on which the brake shoes rotate and to which the return springs are secured.
A colorless, odorless, non-combustible gas, heavier than air; can be compressed into a super cold solid known as dry ice; changes from solid to vapor at- 78.5C.
Usually the top two rings in the piston, they form a seal between the piston and cylinder wall to compress the air fuel mixture in the cylinder.