basic mining -1(Q&A)

1.What is O.M.S. for a mechanised  iron mines having annual production capacity of 4 Mt ?
2. What is the max. allowable conc. of dust in a manganese mines?
3. What is safety audit ?
4. What % explosive energy is used for useful work in a rock blasting ?
5. What is GPS system ? what are it's application in mining ?
6. What should be the minimum clearance between belt and floor level in belt conveyor system in mines?
7. What % of the mining accidents in o/c mines in india occurred due to fall of sides ?
8. What is ILO convention-176 and what is it's significance in mining ?
9.What is the relation between spacing and burden  ?
10. What is condition monitoring of the mining equipment ?
11. What is slope mass rating( SMR)  and who formulated it ?
12. What is General Safety in a mines ?
13. What is sub-drilling ?What is it's significance ?
14.What is average fragment size in rock fragmentation ?
15. What is USBM predictor equation for vibration ?
16. What is Ergonomics ? What is it's role in mining industry ?
17.What is ISO  and what is it's role in safety management?
18. What is sleeping holes? What precautions should to be taken?
19. What is Occupational Health survices(OHS) in mining industry ?
20. What are the safety features in a 50 MT dumper ?
21. What is the danger zone for blasting in  o/c mines ?
22. What are the uncontrollable parameters in blast design ?
23.What is controlled blasting ?what is it's role ?
24. What is misfire? How it is dealt with ?
25. What is Laser Profiling System-3D Laser ? what is it's role in mining ?