ASE Auto Maintenance and Light Repair
Terms & Definitions
Practice Test
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Fan shroud
A path through which electricity flows before returning to its source.
A mechanical or electricallydriven propeller that draws or pushes air through the radiator, condenser, heater core or evaporator core.
And enclosure that routes air through the radiator cooling fins.
A compound or substance that can speed up or slow down the reaction of other substances without being consumed itself. In a catalyst converter, special materials platinum or palladium and rhodium in parentheses are used to promote combustion of an burned hydrocarbons and reduce carbon monoxide and nitrogen oxides in the exhaust gases.