PRIN. OF INTERNAL COMBUSTION ENGINES - OD1619 LESSON 2/TASK 2
(b) The use of oil filters removes dirt particles from the oil before it
(c) An adequate crankcase ventilation system will purge the crankcase of
blowby fumes effectively before a large amount of contaminants can six with the
(d) The use of air intake filters trap foreign material and keep it from
entering the engine.
Engine oil thins out when mixed with
gasoline, causing a dramatic drop in its lubricating qualities. Some of the causes
(a) Excessive use of a hand choke causes an overrich mixture and an abundance
of unburned fuel to leak past the piston rings into the crankcase.
condition can occur on vehicles equipped