1|Page : 2024 | Grade A+
Lubrication Systems Questions and
Correct Answers Latest Update,
Graded A+
On most modern diesel engines, the main and connecting rod bearings receive
their lubricating oil by __________.
o :## pressure feed
A well-lubricated bearing surface always appears __________.
o :## highly polished
Proper lubrication of the main bearings is more easily obtained in a single acting
fourstroke/cycle diesel engine than in a single acting two-stroke/cycle diesel
engine because __________.
o :## bearing pressure in a four-stroke/cycle single acting diesel engine is
continually reversed
Lube oil filters remove contaminants more efficiently if the oil being filtered is
__________.
o :## heated to reduce viscosity
Which of the following should always be checked prior to starting a diesel engine?
o :## Crankcase oil level
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
, 2|Page : 2024 | Grade A+
Which of the listed diesel engine operating conditions should be checked
immediately after any diesel engine is started?
o :## Lube oil pressure
The most crucial time for any bearing with regards to diesel engine lubrication is
__________.
o :## during initial starting
In a normally operating diesel engine, the main source of lubricating oil
contamination in the crankcase is a result of the __________.
o :## combustion byproducts removed from the cylinder walls
Before starting a diesel engine that has an engine driven lube oil pump, the
operator should _________.
o :## pressurize the lube oil system with the prelube pump
How often should the lubricating oil of a diesel engine be changed?
o :## According to manufacturer's instructions
Which of the following devices is normally provided to prevent oil starvation in a
diesel engine lubrication system utilizing the 'full flow' principle?
o :## Pressure relief bypass line around the filter
The lube oil pump used in a diesel engine is normally a __________.
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
Lubrication Systems Questions and
Correct Answers Latest Update,
Graded A+
On most modern diesel engines, the main and connecting rod bearings receive
their lubricating oil by __________.
o :## pressure feed
A well-lubricated bearing surface always appears __________.
o :## highly polished
Proper lubrication of the main bearings is more easily obtained in a single acting
fourstroke/cycle diesel engine than in a single acting two-stroke/cycle diesel
engine because __________.
o :## bearing pressure in a four-stroke/cycle single acting diesel engine is
continually reversed
Lube oil filters remove contaminants more efficiently if the oil being filtered is
__________.
o :## heated to reduce viscosity
Which of the following should always be checked prior to starting a diesel engine?
o :## Crankcase oil level
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
, 2|Page : 2024 | Grade A+
Which of the listed diesel engine operating conditions should be checked
immediately after any diesel engine is started?
o :## Lube oil pressure
The most crucial time for any bearing with regards to diesel engine lubrication is
__________.
o :## during initial starting
In a normally operating diesel engine, the main source of lubricating oil
contamination in the crankcase is a result of the __________.
o :## combustion byproducts removed from the cylinder walls
Before starting a diesel engine that has an engine driven lube oil pump, the
operator should _________.
o :## pressurize the lube oil system with the prelube pump
How often should the lubricating oil of a diesel engine be changed?
o :## According to manufacturer's instructions
Which of the following devices is normally provided to prevent oil starvation in a
diesel engine lubrication system utilizing the 'full flow' principle?
o :## Pressure relief bypass line around the filter
The lube oil pump used in a diesel engine is normally a __________.
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
