MDE 20 End of Unit Quiz

MDE 20 End Of Unit Quiz

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Question 4:
With reference to reduction gearing, what role does the surface finish of gear teeth play in the efficiency of power transmission?

C) It helps to minimize energy losses due to friction and improves efficiency

D) It makes the gear easier to manufacture

A) It affects the gear's color and appearance

B) It has no significant impact on power transmission efficiency

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

A) Bearing temperature and noise levels

B) Gear lubrication viscosity

D) Oil color and smell

C) Gear alignment

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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 4:
What is a common result of gear tooth wear due to improper lubrication?

A) Gear tooth scuffing

C) Gear tooth chipping

B) Gear tooth cracking

D) Gear tooth pitting

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

A) Acoustic emission testing

D) Visual inspection

B) Oil analysis

C) Vibration analysis

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Question 5:
In the block diagram of a lubricating oil system, which component is used to monitor and maintain the oil level?

D) Oil Cooler

C) Pressure Relief Valve

B) Oil Level Gauge

A) Oil Filter

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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

B) It can cause increased noise and vibration

A) It enhances the load capacity of the gear

D) It allows for better lubrication of the gears

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

C) Equal operational noise

A) Higher operational noise

D) No effect on operational noise

B) Lower operational noise

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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?

A) Oil Cooler

D) Pressure Relief Valve

C) Oil Filter

B) Oil Pump

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

B) Incorrect gear mesh alignment

C) Overheating due to high ambient temperatures

D) Improper gear tooth design

A) Excessive load and poor lubrication

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

A) Increase the frequency of oil changes

D) Increase the gearbox's operating temperature

C) Use a lower grade of oil

B) Install proper seals and gaskets to prevent water ingress

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