81. In case of opencast working where permanent building, structure not belonging to Owner lies within the danger zone, the aggregate maximum charge per delay and per round shall not exceed the amount fixed by
82. The Shotfirer shall not fire more than "A" shots in one shift with multi-shot Exploder in a gassy seam of 2nd or 3rd degree
83. Maximum flow velocity in a canal occurs at
84. The minimum height of travelling roadway.
85. Hydrazine is used for detection of which of the following gas.
86. A connection between two levels in ore body dirven in downward direction.
87. The angle between the chord of aerofoil and the direction of the average relative velocity of air is called . . . . . . . .
88. The gradient from brow to inclined mouth and in the incline is steep nearly.
89. Air screw fan pushes air forward in the direction parallel to the . . . . . . . .
90. Low explosive fired by
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 7
- Drilling and Blasting - Section 8
- Drilling and Blasting - Section 9
- Drilling and Blasting - Section 10