1|Page : 2024 | Grade A+
Lubrications Exam Test Questions
and Correct Answers Latest Update,
Graded A+
The function of engine oil is/are
o :## To reduce friction, acts as a cushion between metal parts, cools the
engine, cleans motor, and prevents corrosion.
What effect does temperature have on lubricating oils?
o :## The viscosity of oil is affected by temperature.
When the letter W is incorporated after the SAE rating, as in, Aeroshell 100 Oil SAE
50W, the "W" means what?
o :## Winter use in cold climates
The W used in front of the grade or weight number as in, Aeroshell 100 W Oil SAE
50, the "W" means what?
o :## Indicates the oil is of the ashless dispersant type.
Each oil tank used with a reciprocating engine must have expansion space
o :## - Each oil tank must have an expansion space of not less than 10
percent of the tank capacity.
- It must be impossible to inadvertently fill the oil tank expansion space.
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
, 2|Page : 2024 | Grade A+
Why does a gear type oil pump require a relief valve?
o :## Because they are positive displacement type and require a way to
relieve excessive pressure.
(Constant Displacement)
Magnetic chip detectors are used in the oil system of a turbine engine to detect
and catch what?
o :## Ferrous (Magnetic) Particles present in the oil.
Federal Aviation Regulations require for the oil cap
o :## Mark W the word "OIL"
Oil pressure is usually adjusted by
o :## Loosening the lockout and turning the adjusting screw.
With regards to motor oils, SAE categorizes oils by what?
o :## Are Categorized by weight and Viscosity
Is the following a true statement: If a hopper tank is included in the oil supply tank
it will help the oil warm up to temperature quickly.
o :## TRUE
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
Lubrications Exam Test Questions
and Correct Answers Latest Update,
Graded A+
The function of engine oil is/are
o :## To reduce friction, acts as a cushion between metal parts, cools the
engine, cleans motor, and prevents corrosion.
What effect does temperature have on lubricating oils?
o :## The viscosity of oil is affected by temperature.
When the letter W is incorporated after the SAE rating, as in, Aeroshell 100 Oil SAE
50W, the "W" means what?
o :## Winter use in cold climates
The W used in front of the grade or weight number as in, Aeroshell 100 W Oil SAE
50, the "W" means what?
o :## Indicates the oil is of the ashless dispersant type.
Each oil tank used with a reciprocating engine must have expansion space
o :## - Each oil tank must have an expansion space of not less than 10
percent of the tank capacity.
- It must be impossible to inadvertently fill the oil tank expansion space.
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
, 2|Page : 2024 | Grade A+
Why does a gear type oil pump require a relief valve?
o :## Because they are positive displacement type and require a way to
relieve excessive pressure.
(Constant Displacement)
Magnetic chip detectors are used in the oil system of a turbine engine to detect
and catch what?
o :## Ferrous (Magnetic) Particles present in the oil.
Federal Aviation Regulations require for the oil cap
o :## Mark W the word "OIL"
Oil pressure is usually adjusted by
o :## Loosening the lockout and turning the adjusting screw.
With regards to motor oils, SAE categorizes oils by what?
o :## Are Categorized by weight and Viscosity
Is the following a true statement: If a hopper tank is included in the oil supply tank
it will help the oil warm up to temperature quickly.
o :## TRUE
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
