1|Page : 2024 | Grade A+
Lubrication systems test Questions
and Correct Answers Latest Update,
Graded A+
The two types of constant displacement pumps in reciprocating engine lubrication
systems are the _____ and ___________ pumps.
o :## gear, gerotor
Depth filter
o :## Consists of a matrix of fibers which are closely packed to a depth of
about one inch.
Semi-Depth Filter
o :## Made of resin-impregnated fibers
surface filtration
o :## made of a standard wire mesh
edge filters
o :## can be either spiral would or CUNO type
What component do dry-sump engines have that wet-sump engines don't have.
o :## Scavenge Pump
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
, 2|Page : 2024 | Grade A+
Most lubrication systems include gauges to monitor what?
o :## Temperature and pressure
An aircraft without an oil reserve or transfer system must have a fuel-to-oil ratio
of at least what?
o :## 30:1
Regulations require that oil reservoirs have an expansion space at least 10 percent
greater than the tank capacity or .5 gallon, whichever is greater. T or F
o :## True
Constant displacement pumps move a fixed volume of fluid regardless of the RPM.
T or F
o :## False
The most common type of oil pump used in reciprocating engines is the gear oil
pump. T or F
o :## True
A typical gerotor pump consists of a free spinning spur gear that rotates within an
engine-driven rotor housing. T or F
o :## False
What is the purpose of a scavenge pump in a dry-sump oil system?
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
Lubrication systems test Questions
and Correct Answers Latest Update,
Graded A+
The two types of constant displacement pumps in reciprocating engine lubrication
systems are the _____ and ___________ pumps.
o :## gear, gerotor
Depth filter
o :## Consists of a matrix of fibers which are closely packed to a depth of
about one inch.
Semi-Depth Filter
o :## Made of resin-impregnated fibers
surface filtration
o :## made of a standard wire mesh
edge filters
o :## can be either spiral would or CUNO type
What component do dry-sump engines have that wet-sump engines don't have.
o :## Scavenge Pump
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
, 2|Page : 2024 | Grade A+
Most lubrication systems include gauges to monitor what?
o :## Temperature and pressure
An aircraft without an oil reserve or transfer system must have a fuel-to-oil ratio
of at least what?
o :## 30:1
Regulations require that oil reservoirs have an expansion space at least 10 percent
greater than the tank capacity or .5 gallon, whichever is greater. T or F
o :## True
Constant displacement pumps move a fixed volume of fluid regardless of the RPM.
T or F
o :## False
The most common type of oil pump used in reciprocating engines is the gear oil
pump. T or F
o :## True
A typical gerotor pump consists of a free spinning spur gear that rotates within an
engine-driven rotor housing. T or F
o :## False
What is the purpose of a scavenge pump in a dry-sump oil system?
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
