MDE 20 Q2

1 / 10

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

A) Preventing metal-to-metal contact

B) Reducing startup noise

C) Improving gear tooth profile

D) Minimizing initial friction

2 / 10

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

A) Oil analysis

B) Vibration analysis

D) Thermography

C) Ultrasonic testing

3 / 10

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

A) To flush out contaminants

C) To increase gear tooth hardness

B) To ensure smooth gear engagement

D) To prevent gear tooth chipping

4 / 10

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

C) To provide initial lubrication and reduce wear

D) To cool the gears before operation

A) To ensure proper gear alignment

B) To prevent gear tooth corrosion

5 / 10

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

A) To measure lubricant viscosity

C) To analyze vibration patterns

D) To assess temperature variations

B) To detect internal defects or cracks

6 / 10

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

B) Oil analysis

D) Visual inspection

C) Vibration analysis

A) Acoustic emission testing

7 / 10

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

C) Thermography

D) Ultrasonic testing

A) Visual inspection

B) Oil analysis

8 / 10

Question 3:
Which of the following methods can be used to detect heat build-up in the main reduction gearing?

B) Ultrasonic testing

A) Vibration analysis

C) Thermography

D) Oil analysis

9 / 10

Question 4:
How does supplying lubricating oil before rotation help with the temperature management of the main reduction gearing?

D) By preventing oil foaming

C) By improving the gear tooth hardness

B) By dissipating heat generated during initial contact

A) By increasing the gear temperature gradually

10 / 10

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

D) Improved gear alignment

B) Reduced gear noise

A) Increased energy efficiency

C) Accelerated gear wear and damage

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