As per the National Building Code of India 2016, match the types of glass in Group–I with their corresponding descriptions in Group–II. Group–I Group–II P Reflective glass 1 Prefab unit of glass having an edge seal that binds the individual sheets together Q Tempered fire-resistant glass 2 Glass into which a wire mesh is embedded during production R Insulating glass units 3 Rolled glass having a distinct pattern on one or both sides S Wired glass 4 Glass with metallic coating reducing heat gain and glare and allowing optimum visible light transmission inside 5 Glass that breaks into granular fragments, with no large sharp edges
National Building Code India 2016: Glass Type Matching
The question requires matching glass types from Group-I with their descriptions in Group-II based on the National Building Code of India 2016.
Matching Glass Types
Let's analyze each type:
- P: Reflective glass is characterized by a metallic coating that reflects solar radiation, reducing heat gain and glare while permitting visible light. This corresponds to description 4.
- Q: Tempered fire-resistant glass, specifically the tempered aspect, refers to glass that breaks into small, granular fragments upon impact or thermal stress, minimizing injury. This matches description 5.
- R: Insulating glass units (IGUs) consist of two or more glass panes sealed together with a spacer, creating a pre-fabricated unit designed for thermal insulation. This aligns with description 1.
- S: Wired glass has a wire mesh embedded within the glass during manufacturing, providing safety by holding fragments together if broken. This is described by description 2.
Final Matches
The correct pairings are:
- P – 4
- Q – 5
- R – 1
- S – 2
This corresponds to the selection P – 4, Q – 5, R – 1, S – 2.
| Group–I | Description Match | Group–II Description |
|---|---|---|
| P Reflective glass | 4 | Glass with metallic coating reducing heat gain and glare and allowing optimum visible light transmission inside |
| Q Tempered fire-resistant glass | 5 | Glass that breaks into granular fragments, with no large sharp edges |
| R Insulating glass units | 1 | Prefab unit of glass having an edge seal that binds the individual sheets together |
| S Wired glass | 2 | Glass into which a wire mesh is embedded during production |
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