The component shown in the illustration,...

Question 1 / 2066636eef28f7522a1c51f884

Question 1 of 2066636eef28f7522a1c51f884

The component shown in the illustration, labeled "I", is the __________. Illustration SE-0013

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Question 1 of 20

66636eef28f7522a1c51f884

The component shown in the illustration, labeled "I", is the __________. Illustration SE-0013

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🔍 Key Concepts

• Remember that in a reduction gear train the pinion is always the smaller member that drives the larger gear. • In a two-stage (double) reduction: the first reduction handles the highest speed from the turbine, and the second reduction is closer to the output (bull gear/propeller shaft). • Look at how the shafts line up: the turbine (high‑speed) shaft, the quill/intermediate shaft, and the main/bull gear shaft.

💭 Think About

• On which shaft would you expect the highest speed, smallest gear (pinion) to be located in a double reduction gear set? • Compare the diameters of the parts labeled I, II, III, and IV. Which ones are clearly gears (large) and which are pinions (small)? • In the gear train shown, trace the power flow from the turbine to the propeller: where does it enter first, and which labeled part does it contact at that first stage?

✅ Before You Answer

• Confirm that pinions are the smaller driving members and gears are the larger driven members in each reduction pair. • Identify which member is involved in the first stage of speed reduction (closest to the turbine) versus the second stage (closest to the bull gear/propeller shaft). • Make sure the label "I" is on the component that matches both its relative size (pinion vs gear) and its location in the train (first vs second stage) before choosing.

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Question 1 of 20

The component shown in the illustration, labeled "I", is the __________. Illustration SE-0013

second reduction pinion

first reduction gear

first reduction pinion

second reduction gear

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Question 1 / 2066636eef28f7522a1c51f884

Question 1 of 2066636eef28f7522a1c51f884

The component shown in the illustration, labeled "I", is the __________. Illustration SE-0013

Back

Question 1 of 20

66636eef28f7522a1c51f884

The component shown in the illustration, labeled "I", is the __________. Illustration SE-0013

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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