41. Given the following,
Machine
Component
P. Dint header
1. Cowl
Q. Coal plough
2. Cutting chain
R. Road header
3. Loading apron
S. Shearer
4. Static set of bits
The correct match is
Machine | Component |
P. Dint header | 1. Cowl |
Q. Coal plough | 2. Cutting chain |
R. Road header | 3. Loading apron |
S. Shearer | 4. Static set of bits |
42. For a 25 mm diameter spherical charge, the maximum allowable charge length in cm is
43. Out of two basic system of leaching, if one is chemical, what is the other?
44. The basic constituents of an emulsion explosive consist of oxidizers, fuels and surfactant with weight percentages of X, Y, Z respectively. Identify the correct relationship from the followings
45. In longwall mining subsidence phenomenon, the "angle of break" is the angle between
46. Chances of 'Span failure' is maximum for
47. The layout of the pipelines for hydraulic stowing should be such that the hydraulic profile
48. Which of the following equipment is very common for over casting or side casting?
49. Depending on the decreasing ability of surrounding rock to store strain energy, the underground metal mining methods can be ordered as
50. Why outlets from a mine are not provided closer than 13.5m?
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