- 250 volts
- 125 volts
- 30 volts
- 650 volts
Q) On the surface of the mine/in an O/C mine the voltage may be raised to_________?
📖 Additional Information
On the surface of the mine/in an O/C mine the voltage may be raised to 250 volts.
🔗 Share This Question
WhatsApp
Telegram
LinkedIn
Facebook
All Categories
- Central Electricity Authority Regulations (40)
- Drilling and Blasting (48)
- GATE 2024 (10)
- General (5)
- Geology (7)
- Mines Act 1952 (50)
- Mines Creche Rules (50)
- Mining Machinery (50)
- MINING MCQs (10)
- MMR 1961 (7)
- National Conference (7)
- Rock Mechanics (1)
- Surveying (1)
- THE MINES RESCUE RULES, 1985 (60)
- Winning and Working (23)
