Heavy Duty Equipment Technician Red Seal Exam Prep · Question
A technician is troubleshooting a planetary gear set where the ring gear is rotating, the sun gear is held stationary, and the planet carrier is the output. This configuration is commonly used to achieve which kind of speed change?
When the sun gear is held stationary, the ring gear is input, and the carrier is output, the planetary gear set acts as a speed reduction unit. This configurati
Start free practice for Heavy Duty Equipment Technician Red Seal Exam Prep
300 questions · no signup required · 40 free questions per day
Question: A technician is troubleshooting a planetary gear set where the ring gear is rotating, the sun gear is held stationary, and the planet carrier is the output. This configuration is commonly used to achieve which kind of speed change?
Answer options:
- A reverse gear ratio.
- A direct drive (1:1) ratio. ✅ A reduction ratio.
- An overdrive ratio.
Correct answer: A reduction ratio.
Explanation: When the sun gear is held stationary, the ring gear is input, and the carrier is output, the planetary gear set acts as a speed reduction unit. This configuration is widely used in automatic transmissions and final drives to achieve a significant torque multiplication with speed reduction in a compact package. (Relevant to HDET theory of operation).
Start free practice for Heavy Duty Equipment Technician Red Seal Exam Prep
300 questions · no signup required · 40 free questions per day
More about Heavy Duty Equipment Technician Red Seal Exam Prep
Related Questions
- What is the primary purpose of a 'lock-up clutch' in a modern heavy-duty torque converter?
- A technician is performing a visual inspection of a heavy-duty truck's air brake system. Which of the followin
- During a pre-trip inspection of an air-braked commercial vehicle, the operator observes a sudden drop in air p
- A technician is preparing to lift a heavy engine component using a shop crane. The component's manufacturer sp
- A technician has completed a repair on a hydraulic cylinder on a piece of articulated equipment. Before connec
- A technician is installing a new final drive assembly on an excavator. The assembly weighs approximately 250 k
More for Heavy Duty Equipment Technician Red Seal Exam Prep candidates
FAQs
Question explanations
- What is the primary purpose of a 'lock-up clutch' in a modern heavy-duty torque converter?
- A technician is performing a visual inspection of a heavy-duty truck's air brake system. Which of the followin
- During a pre-trip inspection of an air-braked commercial vehicle, the operator observes a sudden drop in air p
- A technician is preparing to lift a heavy engine component using a shop crane. The component's manufacturer sp
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Heavy Duty Equipment Technician Red Seal Exam Prep Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.