MDE 20 End of Unit Quiz

MDE 20 End Of Unit Quiz

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

A) Increased manufacturing complexity

B) Lower axial thrust

D) Higher efficiency

C) Reduced load capacity

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Question 5:
To prevent future water contamination of the gearbox, what preventive measure should be implemented?

C) Use a lower grade of oil

D) Increase the gearbox's operating temperature

A) Increase the frequency of oil changes

B) Install proper seals and gaskets to prevent water ingress

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Question 4:
What should be done if there is evidence of damage to the gearbox components due to water contamination?

D) Reduce the gearbox load to minimize damage

B) Perform an immediate repair or replacement of damaged components

A) Continue using the gearbox until a scheduled maintenance

C) Apply a sealant to prevent further leaks

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Question 3:
What could be a consequence of not supplying lubricating oil before the main reduction gearing starts rotating?

C) Accelerated gear wear and damage

B) Reduced gear noise

D) Improved gear alignment

A) Increased energy efficiency

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Question 3:
Which fault is indicated by visible cracks on gear teeth?

A) Gear tooth flaking

D) Gear tooth cracking

B) Gear tooth pitting

C) Gear tooth chipping

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Question 2:
After draining the contaminated oil from the gearbox, what should be done next?

B) Add a chemical treatment to neutralize the water

D) Wait for the gearbox to dry naturally

C) Perform a visual inspection of the gearbox

A) Replace it with fresh, clean oil

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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?

D) Increased maintenance complexity

B) Insufficient oil coverage due to gear rotation speed

A) Difficulty in maintaining oil temperature

C) Higher operational costs

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Question 5:
What should be checked to assess the condition of the gearbox bearings during an inspection?

B) Gear lubrication viscosity

A) Bearing temperature and noise levels

C) Gear alignment

D) Oil color and smell

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

C) They provide targeted and controlled lubrication

D) They reduce oil evaporation

A) They reduce oil pressure

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Question 2:
With reference to reduction gearing, how does a poor surface finish on gear teeth impact the gear's performance?

C) It improves the gear's resistance to wear

D) It allows for better lubrication of the gears

B) It can cause increased noise and vibration

A) It enhances the load capacity of the gear

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

A) It increases viscosity significantly

B) It decreases viscosity significantly

C) It has no effect on viscosity

D) It causes a gradual decrease in viscosity

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Question 1:
What is a primary advantage of double helix gears over single helix gears?

B) Higher load capacity

C) Simpler manufacturing process

A) Increased axial thrust

D) Greater noise generation

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