MDE 20 End of Unit Quiz

MDE 20 End Of Unit Quiz

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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

C) Perform a visual inspection of the gearbox

D) Wait for the gearbox to dry naturally

A) Replace it with fresh, clean oil

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

C) Simpler manufacturing process

A) Increased axial thrust

D) Greater noise generation

B) Higher load capacity

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Question 4:
Which technique is used to assess the noise generated by main reduction gearing and diagnose potential faults?

B) Oil analysis

A) Acoustic emission testing

C) Vibration analysis

D) Visual inspection

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Question 5:
What fault might be observed if gear teeth exhibit a jagged, uneven surface?

A) Gear tooth wear

D) Gear tooth flaking

B) Gear tooth spalling

C) Gear tooth chipping

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Question 1:
Which of the following condition monitoring techniques is commonly used to assess the vibration levels of main reduction gearing?

B) Vibration analysis

A) Oil analysis

D) Thermography

C) Ultrasonic testing

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Question 5:
Regarding maintenance, which of the following is a disadvantage of double helix gears?

C) More complex alignment and maintenance

B) Less frequent maintenance required

A) Easier maintenance due to simplicity

D) No additional maintenance compared to single helix gears

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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 2:
Which of the following is a common visual inspection technique used for a gearbox?

B) Measuring the temperature of the gearbox

A) Checking the oil level

C) Inspecting for oil leaks and contamination

D) Adjusting the gear mesh

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Question 1:
What is the first step to take if you discover water contamination in the gearbox oil?

B) Increase the operating temperature to evaporate the water

D) Add a water-soluble additive to the oil

C) Drain the contaminated oil from the gearbox

A) Continue operating the gearbox to check for changes

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Question 4:
What advantage do helical gears have over spur gears in terms of operational noise?

B) Lower operational noise

D) No effect on operational noise

C) Equal operational noise

A) Higher operational noise

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Question 7:
In a lubricating oil system for reduction gearing, what is the purpose of the temperature sensor?

C) To monitor and control oil temperature

D) To relieve excess pressure

B) To filter contaminants

A) To regulate the oil flow

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Question 5:
What is the purpose of using ultrasonic testing in the condition monitoring of main reduction gearing?

A) To measure lubricant viscosity

D) To assess temperature variations

C) To analyze vibration patterns

B) To detect internal defects or cracks

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