Group-I Group-II (P) Floating floor (1) Overflow control (Q) Float valve (2) Delay not affecting a project (R) Metal float (3) Acoustical buffer (S) Free float (4) Plastering equipment (5) Traffic flow control
The question requires matching items from Group I (P, Q, R, S) with their corresponding descriptions in Group II (1, 2, 3, 4, 5).
Based on the analysis, the correct matches are:
This corresponds to the pairing P-3, Q-1, R-4, S-2.
Figure 1: Matching Summary Table
| Group I Item | Group II Item | Description |
|---|---|---|
| (P) Floating floor | 3 | Acoustical buffer |
| (Q) Float valve | 1 | Overflow control |
| (R) Metal float | 4 | Plastering equipment |
| (S) Free float | 2 | Delay not affecting a project |
Match the brick masonry bond type in Group I with the corresponding illustration in Group II
| Group I | Group II |
| (P) Rat Trap | (1) ![]() |
| (Q) English | (2) ![]() |
| (R) Flemish | (3) ![]() |
| (S) Stretcher | (4) ![]() |
(5) ![]() |
| Group - I | Group - II |
| P Bracket | 1 Door |
| Q Baluster | 2 Dome |
| R Key stone | 3 Cornice |
| S Holdfast | 4 Arch |
| 5 Staircase |
| Group-I | Group-II |
| P Needle Vibrator | 1 Concrete Pavement |
| Q Shutter Vibrator | 2 Pre-cast Concrete Unit |
| R Surface Vibrator | 3 Beam-Column Junction |
| S Table Vibrator | 4 Retaining Wall |
| 5 Slip Forming |
| Group-I | Group-II |
| P Scaffolding | 1 To support unsafe structure |
| Q Formwork | 2 To support platforms for workmen and materials at raised height during construction |
| R Shoring | 3 Removal of water from pits |
| S Underpinning | 4 Mould for RCC Structure |
| 5 Strengthening the existing foundation |