MDE 20 End of Unit Quiz

MDE 20 End Of Unit Quiz

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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

A) Increased energy efficiency

D) Improved gear alignment

B) Reduced gear noise

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

B) Less frequent maintenance required

C) More complex alignment and maintenance

D) No additional maintenance compared to single helix gears

A) Easier maintenance due to simplicity

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Question 1:
Which of the following is a common cause of gear tooth pitting?

D) Improper gear tooth design

B) Incorrect gear mesh alignment

C) Overheating due to high ambient temperatures

A) Excessive load and poor lubrication

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

B) Lower operational noise

A) Higher operational noise

C) Equal operational noise

D) No effect on operational noise

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Question 1:
Which of the following is an advantage of helical gear teeth over spur gear teeth?

A) Higher noise levels during operation

C) Simpler manufacturing process

D) Increased load capacity

B) Lower axial thrust

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Question 6:
Which of the following is a sign of gear tooth damage that should be noted during a gearbox inspection?

B) Cracks or chips on the gear teeth

D) Excessive vibration during operation

C) Discoloration of the gearbox oil

A) Rust on the external surface

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

D) Adjusting the gear mesh

C) Inspecting for oil leaks and contamination

B) Measuring the temperature of the gearbox

A) Checking the oil level

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

B) Oil Pump

D) Pressure Relief Valve

A) Oil Cooler

C) Oil Filter

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Question 2:
What is a typical sign of gear tooth scuffing?

A) Uniform wear across the gear teeth

C) Rough, burnt appearance on the gear teeth

B) Presence of cracks and chips on the gear surface

D) Excessive play between meshing gears

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Question 7:
What action should be taken if abnormal noise is detected during a gearbox inspection?

B) Increase the operating speed to see if the noise persists

C) Investigate and repair the source of the noise

D) Replace the gearbox immediately

A) Continue operation until the next scheduled maintenance

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

C) Perform a visual inspection of the gearbox

D) Wait for the gearbox to dry naturally

A) Replace it with fresh, clean oil

B) Add a chemical treatment to neutralize the water

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