Class 4 (4th Engineer) MEP 📅 Dec 2024

Exam Question

(a) Describe the uses of packed gland seal. What are the machineries they are in use? In a running pump, how the gland packing is lubricated and kept cool? (6)

(b) Describe advantages of using gland packing. (5)

Reference Answer

### (a) Uses of Packed Gland Seal, Machineries in Use, Lubrication, and Cooling
**Uses of Packed Gland Seal:**
A packed gland seal, also known as a stuffing box, is a traditional and robust sealing arrangement primarily used to prevent the leakage of fluid (liquid or gas) along a rotating or reciprocating shaft where it passes through a casing or housing. Its main functions are:
* **Leakage Prevention:** To minimize or control the escape of the process fluid from the machinery into the surrounding environment.

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