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Lubrication Systems Questions and Correct Answers Latest Update, Graded A+ $10.49   Add to cart

Exam (elaborations)

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

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  • Course
  • Lubrication Systems
  • Institution
  • Lubrication Systems

Which of these characteristics is desirable in turbine engine oil? A- Low flash point B- High flash point C- High volatility o :## B The type of oil pumps most commonly used on turbine engines are classified as o :## positive displacement What is the source of most of the heat that is absorb...

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  • August 22, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Lubrication Systems
  • Lubrication Systems
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ExamArsenal
1|Page : 2024 | Grade A+




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

Which of these characteristics is desirable in turbine engine oil?

A- Low flash point

B- High flash point

C- High volatility

o :## B



The type of oil pumps most commonly used on turbine engines are classified as

o :## positive displacement



What is the source of most of the heat that is absorbed by the lubricating oil in a

reciprocating engine?

o :## pistons and cylinder walls



What will happen to the return oil if the oil line between the scavenger pump and

the oil cooler separates?

o :## the return oil will be pumped overboard



The vent line connecting the oil supply tank and the engine in some dry sump

engine installations permits...


Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update

,2|Page : 2024 | Grade A+


o :## the oil tank to be vented through the normal engine vent



What determines the minimum particle size which will be excluded or filtered by a

cuno-type (stacked disc, edge filtration) filter?

o :## the spacer thickness



The main oil filters strain the oil at which point in the system?

o :## just as it leaves the pressure pump



The basic oil pressure relief valve setting for a newly overhauled engine is made...

o :## in the overhaul shop



The oil used in reciprocating engines has a relatively high viscosity due to...

o :## large clearances and high operating temperatures



Manufacturers normally require turbine engine oil servicing within a short time

after engine shutdown primarily to...

o :## prevent over-servicing



A drop in oil pressure may be caused by...

o :## foreign material under the relief valve



Excessive oil is prevented from accumulating on the cylinder walls of a

reciprocating engine by...




Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update

, 3|Page : 2024 | Grade A+


o :## oil control rings on the pistons



In addition to lubricating(reducing friction between moving parts), engine oil

performs what functions?

1. Cools

2. Seals

3. Cleans

4. Prevents Corrosion

5. Cushions Impact

o :## 1, 2, 3, 4, 5



The primary source of oil contamination in a normally operating reciprocating

engine is...

o :## combustion deposits due to combustion chamber blow-by and oil
migration on the cylinder walls



Where are sludge chambers, when used in aircraft engine lubricating systems,

usually located?

o :## in the crankshaft throws



Possible failure related ferrous-metal particles in turbine engine oil cause an

(electrical) indicating-type magnetic chip detector to indicate their presence by...

o :## bridging the gap between the detector center electrode and the ground
electrode



Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update

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