The device shown in the illustration has...

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Question 1 of 205eccef9cbacbc34ba4d4594c

The device shown in the illustration has displayed a continuing tendency to leak, despite using extreme care in its installation during numerous repair efforts. Which of the following conditions might be used to prevent the pump shaft leakage from reoccurring with this device? See illustration GS-0071.

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🔍 Key Concepts

• Identify which parts in the illustration are stationary and which rotate with the shaft. • Think about the normal leakage path: if fluid gets past the seal, does it travel along the shaft surface or between two fixed parts? • Recall that adhesive should never be applied where relative motion (sliding or spring action) is required for the seal to work.

💭 Think About

• Trace an imaginary droplet of liquid from the pump side along the shaft. At which interfaces could it bypass the sealing element and escape? • Which joint could be bonded solidly (with adhesive) without interfering with the axial movement of springs or the sliding action of any sealing faces? • Look at parts D, E, F, and G: which one is intended to grip the shaft firmly and rotate with it as a unit, providing a static (non-sliding) interface to the shaft?

✅ Before You Answer

• Verify which part actually provides the primary dynamic seal against the shaft and must remain free to move or flex. • Confirm which interface between the shaft and a component is supposed to be a tight, non-leaking, non-sliding fit and therefore is a candidate for adhesive. • Double‑check that your choice does not place adhesive on any sealing lip, O‑ring, or spring‑loaded face that needs to move to maintain seal pressure.

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