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Lubrication Systems Questions and Correct Answers Latest Update, Graded A+
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  • Lubrication Systems
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  • Lubrication Systems

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 a...

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  • August 22, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • lubrication systems questions and correct answers

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  • Lubrication Systems
  • Lubrication Systems

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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

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