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Lubrication
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What invention lets you look right through a wall?
Window
The more of this there is, the less you see
Darkness
What question can you never answer 'yes' to?
Are you sleeping?
What has to be broken before you can use it?
Egg
Max wear and tear occurs on engine when it is started for the first time. True or False?
True
Purpose of Pressure Relief Valve
Limits max oil pressure
If the oil warning light stops on what could it indicate?
Low oil pressure
Cleans oil
Oil Filter
Circulates oil around the engine
Oil pump
Stores oil
Sump
W
Winter
'VII'
Viscosity Index Improver
Milk viscosity
High
Peanut butter viscosity
Low
Lower the viscosity, ................................. the oil
Thicker
Higher the viscosity, ............................... the oil
thinner
Viscosity
State of oil at different temperature
Secondary purpose of lubrication
Reduce heat, clean
Identify an additive used in motor vehicle oil
Oxidation Inhibitor, Detergent, VII, Anti-foam Agent
What is an additive?
Substance added to something in small quantities to improve or preserve it
Advantage of synthetic oil
Various
Disadvatange of Synthetic Oil
Various
Which type of oil contains near identical molecules?
Synthetic oil
In percent, how much additives are contained in 'mineral oil'?
10%
Boundary Lubrication - where oil is too thin and unable to carry the weight of the components. True or False?
True
Definition of 'Hydrodynamic Lubrication'
Physical barrier between moving parts
Main purpose of oil in the engine
Prevent metal parts from making direct contact
Definition of 'Hydraulic'
Liquid moving in a confined space under pressure
Oil reduces friction and ...
Wear
6 main functions of lubrication
Lubricate, cool, clean, protect, seal, transmit power
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