11. The formule for finding blade tip speed.
12. The life of exhaust fan is . . . . . . . . compared to forcing fan.
13. A person doing normal work (not heavy works) breaths at a rate of nearly . . . . . . . . breaths per minute.
14. O2 cylinder capacity with O2 at 200 kg/cm2 . . . . . . . . litters in BG 174.
15. Distance between two air lock doors should not be less than.
16. The minimum insulation resistance of high power cable is . . . . . . . .
17. It is one of the oldest drilling technologies where hole is drilled by striking a number of blows at short intervals on the rock by a chisel type tool and between the blows the tool is rotated. The drilling is called
18. In which of the following drilling method causes less bit wear.
19. The charge per hole in the blasting gallery method is . . . . . . . .
20. The detonator used in electrical storms where static electricity is there
Read More Section(Drilling and Blasting)
Each Section contains maximum 100 MCQs question on Drilling and Blasting. To get more questions visit other sections.
- Drilling and Blasting - Section 1
- Drilling and Blasting - Section 2
- Drilling and Blasting - Section 3
- Drilling and Blasting - Section 4
- Drilling and Blasting - Section 5
- Drilling and Blasting - Section 6
- Drilling and Blasting - Section 7
- Drilling and Blasting - Section 8
- Drilling and Blasting - Section 10