- Mine engineer
- Safety officer
- Mine manager
- Workmen’s Inspector
- All above
- None of these
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Before the valid pass is issued for entry of trucks & other vehicle not belonging to the management into the mine the Mine engineer should check the road worthiness of such vehicles.
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