Lubrication Systems Questions and Correct Answers Latest Update, Graded A+
5 views 0 purchase
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...
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ExamArsenal. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.