Question:
Exposure of weak roof in junctions of a development district in a coal mine can be decreased by
Exposure of weak roof in junctions of a development district in a coal mine can be decreased by
Show Hint
Stagger junctions to avoid weak roof exposure in coal mine developments.
Updated On: June 02, 2025
- Increasing dimension of panel barrier
- Stitching side walls
- Increasing support density at junctions
- Staggering the junctions
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Staggering junctions helps in distributing loads more evenly and reduces exposure to weak roof areas.
Was this answer helpful?
0
0
Top Questions on Ground Control
- Phenomena of the rocks in immediate roof, bend downwards under their own weight and tend to separate from one another is known as
- TS PGECET - 2024
- Mining Engineering
- Ground Control
- The phenomena of lifting up of the floor, when the floor is weak is called
- TS PGECET - 2024
- Mining Engineering
- Ground Control
- The hydraulic sand stowing pipeline layout should be such that
- TS PGECET - 2024
- Mining Engineering
- Ground Control
- Massive sandstone in immediate roof delays the local fall in roof of a coal mine. Under this condition, crushing of the pillars at out-bye side is called
- TS PGECET - 2024
- Mining Engineering
- Ground Control
- A flat long wall panel is mined out at an area having subsidence factor ‘a’. The measured maximum subsidence on the surface is ‘S’ for a mining height of ‘m’. The subsidence is sub critical, if
- TS PGECET - 2024
- Mining Engineering
- Ground Control
View More Questions
Questions Asked in TS PGECET exam
- Which one of the following is not necessarily a property of a group?
- TS PGECET - 2024
- Discrete Mathematics
- Melting rates of electrodes in manual metal arc welding process is mainly governed by the
- TS PGECET - 2024
- Manufacturing Processes
- The maximum area of a rectangle that can be inscribed in a circle of radius $R$ is
- TS PGECET - 2024
- 3D Geometry
- For the matrix \[ \begin{bmatrix} 2 & 1 & 1 \\ 0 & 2 & 1 \\ 1 & 0 & 1 \end{bmatrix}, \] an Eigen vector among the following vectors is
- TS PGECET - 2024
- Linear Algebra
- Which of the following expression is a tautology?
- TS PGECET - 2024
- Digital Logic
View More Questions
