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Engines > Lubrication > Flashcards

Lubrication Flashcards

1
Q

What are the 3 types of lubricant?

A

Solid - Grease or Wax
Liquid - Oil
Air

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2
Q

Definition of fully synthetic oil?

A

Fully man made lubricant

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3
Q

Definition of synthetic based lubricant?

A

Lubricant containing at least 10% synthetic base

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4
Q

What is the strainer in the sump for?

A

It’s a coarse gauze to protect the pump

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5
Q

How does the pump receive power?

A

Through the belt and pulley arrangement

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6
Q

What does the strainer do?

A

Collects and filters oil from the sump due to suction created by the oil pump

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7
Q

How does the oil reach the pump?

A

Through suction

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8
Q

What happens after the pump has sucked up the oil?

A

Supplies oil to the filter with high pressure

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9
Q

What is the purpose of an oil pressure regulator?

A

Keeps the oil pressure maintained at a certain level

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10
Q

What happens after the oil is filtered ?

A

Oil flows through oil lines to galleries to lubricate the moving parts of the engine

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11
Q

What does an oil sprout do?

A

Sprays oil upwards to lubricate the piston and its parts inside

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12
Q

What are the types of oil pumps?

A

Gear type

Eccentric

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13
Q

What are the 2 types of pressure relief valves in an oil system?

A

Ball type

Plunger type

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14
Q

What type of gauze is in the strainer

A

Coarse to protect the sump

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15
Q

What happens to the oil in a full flow filtration system?

A

100% of the oil is filtered

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16
Q

What is a bypass filtration system?

A

If the filter gets clogged it allows the oil to bypass to another filter

However the dirty oil still lubricates the engine

17
Q

When does the low pressure light activate ?

A

When the gallery is filled with no pressure

18
Q

What are the 3 oil contaminates?

A

Water
Solids
Fuels and other lubricants

19
Q

What are the 3 types of oil retainers ?

A

Reverse thread and thrower
Gasket
Oil seal

Engines (10 decks)

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