MDE 20 End of Unit Quiz

MDE 20 End Of Unit Quiz

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Question 4:
What is a key disadvantage of double helix gears in terms of noise and vibration compared to single helix gears?

C) Double helix gears have the same noise level as single helix gears.

A) Double helix gears are quieter.

B) Double helix gears generate more noise and vibration.

D) Double helix gears reduce vibration only.

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Question 2:
How does water contamination affect the viscosity of gearbox oil?

B) It decreases viscosity significantly

D) It causes a gradual decrease in viscosity

C) It has no effect on viscosity

A) It increases viscosity significantly

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Question 1:
In a block diagram of a lubricating oil system for reduction gearing, which component is responsible for filtering contaminants from the oil?

C) Oil Filter

D) Pressure Relief Valve

B) Oil Pump

A) Oil Cooler

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Question 5:
In the block diagram of a lubricating oil system, which component is used to monitor and maintain the oil level?

D) Oil Cooler

B) Oil Level Gauge

A) Oil Filter

C) Pressure Relief Valve

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Question:
With reference to reduction gearing, what is the primary purpose of the magnetic filter in the lubricating oil system?

C) To attract and remove ferrous particles and metal debris from the oil

B) To filter out large debris before the oil reaches the gears

D) To maintain the oil temperature within the optimal range

A) To remove water contaminants from the oil

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Question 6:
Which of the following is a potential cause of gear tooth flaking?

B) Over-lubrication

C) Misalignment of gear shafts

D) Gear tooth pitting

A) Inadequate gear surface hardening

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Question 2:
Which condition monitoring technique involves analyzing the lubricant for signs of wear particles and contamination?

D) Ultrasonic testing

B) Oil analysis

C) Thermography

A) Visual inspection

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Question 2:
Which of the following is a disadvantage of double helix gears compared to single helix gears?

B) Lower axial thrust

C) Reduced load capacity

A) Increased manufacturing complexity

D) Higher efficiency

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Question 1:
Why should lubricating oil be supplied to the main reduction gearing before it starts rotating?

A) To ensure proper gear alignment

D) To cool the gears before operation

B) To prevent gear tooth corrosion

C) To provide initial lubrication and reduce wear

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Question 5:
Which of the following is an advantage of helical gears in terms of their load distribution?

D) Higher localized stress

A) Less efficient load distribution

C) No change in load distribution

B) More uniform load distribution

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Question 2:
One disadvantage of helical gears compared to spur gears is:

D) Improved efficiency

B) Higher manufacturing costs

C) Less axial thrust

A) Reduced friction

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Question 3:
One advantage of double helix gears is their effect on axial thrust. What is this effect?

A) Double helix gears produce higher axial thrust.

D) Double helix gears produce varying axial thrust depending on load.

C) Double helix gears have no effect on axial thrust.

B) Double helix gears produce lower axial thrust.

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