11. Which of the following support has maximum linear progress?
12. Every ladder way used in a mine shall project above the mouth of at least
13. Which of the following is most difficult in opening up an opencast mine?
14. In-situ ore of 1.5% Cu got diluted with waste rock of value 0.2% Cu. If the resultant extracted ore has 1.2% Cu. What is the percentage of dilution?
15. Top slicing is an underhand caving method which is a variation of
16. The diameter of holes in mm commonly used for ring drilling by drifters in sublevel stoping is between
17. Friction Clutch is used for
18. The process that sends sand water mixture in underground coal depillaring district is known as
19. Which of the following method of mining is only applicable to non-coal mines?
20. As per CEA 2010, the length of flexible cable used in portable and transportable apparatus shall not be more than
Read More Section(Introduction to Mining Engineering)
Each Section contains maximum 100 MCQs question on Introduction to Mining Engineering. To get more questions visit other sections.