How much heat passes through the rings on the cylinders of a piston?
One third
What is the up and down movement of the piston called?
Reciprocating motion
What is the primary function of engine lubrication?
To reduce the friction between moving parts
What type of lubrication systems are used on heavy duty fire apparatus?
Full forced feed lubrication system
What is the “specific gravity” of an electrolyte in a fully charged battery? (Weight of electrolyte)
1.26 times the weight of water
In the event the power steering has failed and the apparatus must be driven what should you do?
Remove/cut steering belts