MDE 20 End of Unit Quiz

MDE 20 End Of Unit Quiz

1 / 12

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

D) Add a water-soluble additive to the oil

B) Increase the operating temperature to evaporate the water

A) Continue operating the gearbox to check for changes

C) Drain the contaminated oil from the gearbox

2 / 12

Question 5:
Which of the following is NOT a benefit of supplying lubricating oil to main reduction gearing before it rotates?

C) Improving gear tooth profile

A) Preventing metal-to-metal contact

D) Minimizing initial friction

B) Reducing startup noise

3 / 12

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

C) Gear alignment

D) Oil color and smell

A) Bearing temperature and noise levels

B) Gear lubrication viscosity

4 / 12

Question 3:
Which of the following is a disadvantage of helical gears compared to spur gears?

C) Simpler gear alignment

D) Higher efficiency

A) Reduced noise levels

B) Increased axial load

5 / 12

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

C) Enhanced oil distribution and reduced wear

A) Reduced oil consumption

B) Improved oil filtration

D) Simpler system design

6 / 12

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

B) Vibration analysis

C) Ultrasonic testing

D) Thermography

A) Oil analysis

7 / 12

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

D) It simplifies the oil filtration process

A) It increases the oil viscosity

B) It improves the oil film strength on gears

C) It reduces the amount of oil needed

8 / 12

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

A) Inadequate gear surface hardening

C) Misalignment of gear shafts

B) Over-lubrication

D) Gear tooth pitting

9 / 12

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

A) To remove water contaminants from the oil

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

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

D) To maintain the oil temperature within the optimal range

10 / 12

Question 2:
What is a primary reason for pre-lubricating the main reduction gearing before it rotates?

D) To prevent gear tooth chipping

C) To increase gear tooth hardness

A) To flush out contaminants

B) To ensure smooth gear engagement

11 / 12

Question 5:
What should be done if water contamination is detected in the gearbox oil?

B) Drain the contaminated oil and replace it with fresh oil

D) Increase the operating temperature to evaporate the water

C) Add more oil to dilute the contamination

A) Continue operation as normal

12 / 12

Question 1:
What is the primary purpose of inspecting a gearbox?

B) To verify the alignment and condition of the gears

C) To clean the external components of the gearbox

D) To adjust the gearbox's operational speed

A) To ensure the gearbox is properly lubricated

Your score is