ASE Heating and Air Conditioning Terms & Definitions Practice Test

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Dynamic balancing
Alternating current
Balancing a part while it is in motion.
A rod that connects the crankshaft to the piston enables the reciprocating motion of the piston to turn the crankshaft.
A device attached to a mechanically driven cooling fan that allows the fan to freewheel when the engine is cold and the vehicle is driven at speed.