1. Find the watergauge required to pass 1500 m3 of air/min through an air way of 2.5 × 3 m cross section and 2000 m long.
2. Earth quake loading frequency is about. . . . . . . . .
3. A building where explosives and detonators are stored is called
4. Self contained breathing apparatus used in our mines are of well known makes
5. Low mixture of methane burn in air producing . . . . . . . . flame.
6. The example for High density explosives
7. What happens of the booster fan is placed too for inbye of the neutral point in either intake or return.
8. As per the statute the key of the firing apparatus shall be retained throughout the shift in the possession of
9. In no case shall the well insulated cable be less than A m long as per CMR 2017. A is given by
10. In case of steep seam the shape of pillar should be . . . . . . . .
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 8
- Drilling and Blasting - Section 9
- Drilling and Blasting - Section 10