- Option A
- Option B
- Option V
- Option D
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Q) Instructor means a person Who has
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- S wave can travel through it.
- S wave cannot travel through it.
- P wave can travel through it.
- P wave cannot travel thought it.
- CIM
- RIM / Inspector of mines
- Owner of the mines
- Sec. 12 Committee
- Safety committee
- O/A/M
- Manager
- Agent
- All above
- Owner
- Manager , Engineer , Electrical Supervisor
- Agent .Manager .Engineer
- Owner ,Agent .Manager ,Engineer
- Owner ,Agent .Manager ,Engineer, Electrical Supervisor ,Asst.manager ,Over man ,Mining Sardar & All other persons connected with use of electricity
- All of the above
- Manager
- Director of Mine Safety
- Director of the company
- Director (Pers.)
- Electrical Superintendent
- P-wave
- S-wave
- Rayleigh wave
- Radio wave
- Drums with helical grooves
- Plain cylindrical drums
- Both are equally preferred
- None of the above
- Rotary-percussive drilling
- Percussive drilling
- Rotary drilling
- Hydraulic drilling
- Single riveted butt joint
- Single riveted lap joint
- Double riveted butt joint
- Double riveted lap joint
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