Question

1. Who initially set up SCCL ……………………
2. ……………… is painted to prevent oxidation
3. …………….. are vertical sections of mine from where the coal is removed
4. ……………. reserve forest has become barren due to JVR open cast mining​

Answer 1

Answer:

1 The Singareni Collieries Company Limited (SCCL) was initially set up by a private British mining company in 1886, which was purchased by the Nizam of Hyderabad in 1920.

2 Corrosion can be prevented by removing one of these conditions. Coating a metal surface with paint or enamel provides a barrier between the metal and the moisture in the environment. The process of coating a metal surface with another metal that is more likely to be oxidized is referred to as sacrificial coating.

3 In shaft mines the coal is removed through a vertical shaft. Slope designates mines in which the coal is removed via a sloping incline from the ground surface to the mining level. In slope mines, miners and equipment may use either the slope or a vertical shaft to get into the mine.

Explanation:

1 Who initially set up SCCL private British mining company in 1886.

2 Corrosion is painted to prevent oxidation

3 shaft mines are vertical sections of mine from where the coal is removed

4 lankapally reserve forest has become barren due to JVR open cast mining

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