61. The increased temperature of wet bulb indicates.
62. Carring of high voltage cables from surface to substation near pit bottom prohibited through UC shaft because of . . . . . . . .
63. What type of explosives selected to get lump coal.
64. The General arrangement is to sink two shafts close to each other separated by . . . . . . . ., for facility of a quicker inter communication.
65. To get lump coal or to minimize the coal dust the blasting technique adopted is
66. A person doing heavy work breaths at a rate of nearly . . . . . . . . Breaths.
67. The newest unit of Coal India Limited is . . . . . . . .
68. The head characteristic of the forward blade centrifugal fan at first with increasing capacity until it flattens, then raising trend before starting to fall again. This indicates the lower loss of head at low capacity which is mainly due to
69. Non coaking coal mines of India was Nationalised in the year.
70. Which is the deepest mine in world.
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