Group - I Group - II P Bracket 1 Door Q Baluster 2 Dome R Key stone 3 Cornice S Holdfast 4 Arch 5 Staircase
This question requires matching elements from Group I with their corresponding applications in Group II. Let's analyze each element:
Based on the analysis, the correct pairings are:
Therefore, the correct option is P-3, Q-5, R-4, S-1.
| 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 |
The number of standard cement bags required to prepare 1400 kg of concrete in the ratio of 1:2:4 (mixed by weight batching) is _______________