MDE 20 Q8

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Question 5:
How does the use of oil sprayers impact the efficiency of main reduction gearing lubrication?

B) It improves the oil film strength on gears

A) It increases the oil viscosity

C) It reduces the amount of oil needed

D) It simplifies the oil filtration process

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Question 1:
Why is oil spraying preferred over a wet sump for lubricating main reduction gearing?

D) Wet sump systems are more complex

A) Oil sprayers provide better cooling

B) Oil sprayers deliver more uniform lubrication

C) Wet sump systems are more expensive

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Question 4:
Why might oil sprayers be more effective than a wet sump system for high-speed main reduction gears?

D) They reduce oil evaporation

A) They reduce oil pressure

C) They provide targeted and controlled lubrication

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Question 2:
What is a key advantage of using oil sprayers in the lubrication of main reduction gearing?

A) Reduced oil consumption

D) Simpler system design

C) Enhanced oil distribution and reduced wear

B) Improved oil filtration

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Question 6:
What is a primary reason for not relying on a wet sump system for lubrication of main reduction gearing?

C) Higher operational costs

D) Increased maintenance complexity

B) Insufficient oil coverage due to gear rotation speed

A) Difficulty in maintaining oil temperature

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Question 3:
What is a potential drawback of relying on a wet sump system for main reduction gearing lubrication?

A) Increased oil temperature

C) Higher risk of oil contamination

B) Inadequate oil delivery to high-speed gears

D) More complex maintenance requirements

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