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WorksheetsEngine Oil - Ch12 Quiz
Total questions: 13
Worksheet time: 7mins
Engine oil with the assigned “S” designate tells us it is ____________.
slippery
used in spark-ignited engines
used in single-cylinder engines
used in sequential-fired engines
The API symbol is in the shape of a ____________.
donut
star
square
cylinder
A major disadvantage of synthetic oils is they ____________.
have poor cleaning capabilities
are costly to produce
are poor at soot loading
have poor temperature-related flow
A defective engine oil cooler may cause ____________.
coolant to enter the engine oil
engine oil to enter the engine coolant
leaks oil to the environment
leaks coolant to the environment
A piston cooling nozzle is aimed at the ____________.
top of the piston crown
cylinder wall
bottom of the piston crown
connecting rod
The EPA recommends oil filters be hot-drained for ________ hours before disposal.
24
18
12
8
Natural gas engines use the same engine oil as diesel engines.
True
False
Oil viscosity is a measure of how well oil flows at a specific temperature.
True
False
Oil performs the following functions: Select all that apply.
Reduce wear on moving parts
Inhibit corrosion
Improve fuel economy
Clean engine components
What keeps soot in suspension to prevent it from accumulating into sludge in the crankcase or elsewhere.
Zinc
Detergents
Viscosity
ZDPPP
Chemicals that improve the original properties of the base stock.
total base
polyalphaolefin
additives
acis number
A mix of several different oils with different viscosities.
Additives
Base Stock
Multigrade Oil
Viscosity
Chemicals that improve the original properties of the base stock oil.
Multigrade Oil
Additives
Viscosity
Base Stock
