Question:
Out of the support categories given for an underground coal mine, identify the “active support”
Out of the support categories given for an underground coal mine, identify the “active support”
Show Hint
Active supports resist load by yielding or movement; hydraulic props are an example.
Updated On: July 22, 2025
- Wire mesh
- Shotcrete
- Fully grouted roof bolt
- Hydraulic prop
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Hydraulic props are active supports because they provide support by actively resisting load during roof movement in mines.
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
- Exposure of weak roof in junctions of a development district in a coal mine can be decreased by
- 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
View More Questions
Questions Asked in TS PGECET exam
- A bag contains 3 red and 2 blue balls. Two balls are drawn without replacement. What is the probability that both are red?
- TS PGECET - 2025
- Probability
- Which of the following techniques is primarily used for the synthesis of carbon nanotubes?
- TS PGECET - 2025
- Strength of Materials
- In which year was the Earth Summit (Rio Conference) held?
- TS PGECET - 2025
- Environmental pollution
- The term "carrying capacity" refers to:
- TS PGECET - 2025
- Sustainable Development
- Which of the following is an example of non-point source pollution?
- TS PGECET - 2025
- Environmental pollution
View More Questions
TS PGECET Notification
GMC Azamgarh Admission 2025: Dates, Courses, Fees, Eligibility, SelectJuly 22, 2025GMC Azamgarh Admission 2025