71. The ignition temperature of betuminous coal is nearly . . . . . . . .°C.
72. The maximum number of shots that a shotfirer may fire in any shift by using a multi-shot exploder
73. The coefficient of friction in unlined roadway . . . . . . . .
74. In which regulation of CMR 2017, the provisions of dealing with misfires are given?
75. Samples of coal dust in the mine with stone dust should be taken at regular intervals of . . . . . . . . days.
76. The unit of resistance in SI units is . . . . . . . .
77. The weight of proto mark IV apparatus . . . . . . . .
78. The main transporting medium where high outputs are to be handled.
79. The minimum insulation resistance of medium power cable is . . . . . . . .
80. Centrifugal fan occupies . . . . . . . . space for installation.
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