MDE 20 End of Unit Quiz

MDE 20 End Of Unit Quiz

1 / 12

Question 4:
What is a key disadvantage of double helix gears in terms of noise and vibration compared to single helix gears?

D) Double helix gears reduce vibration only.

C) Double helix gears have the same noise level as single helix gears.

B) Double helix gears generate more noise and vibration.

A) Double helix gears are quieter.

2 / 12

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

A) Bearing temperature and noise levels

C) Gear alignment

B) Gear lubrication viscosity

D) Oil color and smell

3 / 12

Question 3:
What is a potential drawback of relying on a wet sump system for main reduction gearing lubrication?

A) Increased oil temperature

C) Higher risk of oil contamination

B) Inadequate oil delivery to high-speed gears

D) More complex maintenance requirements

4 / 12

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

D) No effect on operational noise

B) Lower operational noise

A) Higher operational noise

C) Equal operational noise

5 / 12

Question 2:
What is the primary function of the oil cooler in a lubricating oil system for reduction gearing?

D) To filter contaminants

C) To separate water from the oil

B) To cool the lubricating oil

A) To increase the oil pressure

6 / 12

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

A) It increases the oil viscosity

C) It reduces the amount of oil needed

D) It simplifies the oil filtration process

B) It improves the oil film strength on gears

7 / 12

Question 2:
How does water contamination affect the viscosity of gearbox oil?

D) It causes a gradual decrease in viscosity

B) It decreases viscosity significantly

C) It has no effect on viscosity

A) It increases viscosity significantly

8 / 12

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

9 / 12

Question 4:
What tool is often used to measure the backlash in a gearbox?

C) Thermometer

D) Tachometer

B) Dial gauge

A) Micrometer

10 / 12

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

A) Checking the oil level

B) Measuring the temperature of the gearbox

11 / 12

Question 3:
Which fault is indicated by visible cracks on gear teeth?

A) Gear tooth flaking

B) Gear tooth pitting

C) Gear tooth chipping

D) Gear tooth cracking

12 / 12

Question 4:
What should be done if there is evidence of damage to the gearbox components due to water contamination?

B) Perform an immediate repair or replacement of damaged components

A) Continue using the gearbox until a scheduled maintenance

C) Apply a sealant to prevent further leaks

D) Reduce the gearbox load to minimize damage

Your score is