Lubrication systems test Questions and Correct Answers Latest Update, Graded A+
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Module
Lubrication Systems
Institution
Lubrication Systems
List five functions of the oil in an engine lubrication system.
o :## Cools, Cleans, seals and cushions, prevents corrosion, and reduce
friction.
The resistance of an oil to flow is known as its ________.
o :## Viscosity.
Oil that flows freely has a ____ viscosity.
o :## Low.
The oil used i...
Lubrication systems test Questions
and Correct Answers Latest Update,
Graded A+
List five functions of the oil in an engine lubrication system.
o :## Cools, Cleans, seals and cushions, prevents corrosion, and reduce
friction.
The resistance of an oil to flow is known as its ________.
o :## Viscosity.
Oil that flows freely has a ____ viscosity.
o :## Low.
The oil used in reciprocating engines has a relatively _____ (high or low) viscosity.
o :## High.
The measure of the change in viscosity with a given change in temperature is know
as the ______ ________.
o :## Viscosity index.
An engine lubricating oil whose viscosity changes very little for a given change in
temperature has a _______ viscosity index.
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
, 2|Page : 2024 | Grade A+
o :## High.
The point at which liquid will begin to give off ignitable vapors is known as the
_______ point.
o :## Flash.
Aviation 80 engine oil has the same viscosity as SAE ____
o :## 40
The use of straight mineral oil in aircraft reciprocating engines is associated with
what conditions?
o :## New/newly overhauled engines and older engines.
The lubricating properties of straight mineral oil _______ (are/are not) as good as
those of ashless dispersant oil.
o :## Are not.
Synthetic lubricating oils are ______ (multi or single) viscosity oils.
o :## Multi
If incompatible oil has been added to a turbine engine, it is often necessary to
_____ and ______ the oil system before refilling with the proper oil.
o :## Flush and refill.
Turbine engine oils ______ (do or do not) use a standard identification system.
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
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