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6 main functions of lubrication
Lubricate, cool, clean, protect, seal, transmit power
Oil reduces friction and ...
Wear
Definition of 'Hydraulic'
Liquid moving in a confined space under pressure
Main purpose of oil in the engine
Prevent metal parts from making direct contact
Definition of 'Hydrodynamic Lubrication'
Physical barrier between moving parts
Boundary Lubrication - where oil is too thin and unable to carry the weight of the components. True or False?
True
In percent, how much additives are contained in 'mineral oil'?
10%
Which type of oil contains near identical molecules?
Synthetic oil
Disadvatange of Synthetic Oil
Various
Advantage of synthetic oil
Various
What is an additive?
Substance added to something in small quantities to improve or preserve it
Identify an additive used in motor vehicle oil
Oxidation Inhibitor, Detergent, VII, Anti-foam Agent
Secondary purpose of lubrication
Reduce heat, clean
Viscosity
State of oil at different temperature
Higher the viscosity, ............................... the oil
thinner
Lower the viscosity, ................................. the oil
Thicker
