101. Incubation period not related to
102. This factor do not have control over the circulation by natural ventilation.
103. During drilling, the hole gets filled with cuttings and has to be cleaned out frequently. This is done with the help of
104. In coal mines low velocities of air dangerous in the point.
105. In degree III mines the rate of emission of gas m3/t of coal raised is . . . . . . . .
106. If the deposit is at higher level than the general ground level, the access is by slightly raising roadway from grand level, known as . . . . . . . .
107. The type of drill rods used for coal drilling.
108. Due to evoporation of moisture in upcast shaft, the dry bulb and wet bulb temperature upcast shaft will
109. Duration of BG-174 apparatus . . . . . . . . hrs.
110. Powdery explosives employed in
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