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Q) Bucket Wheel Excavators are used as primary mining machinery in India for mining of which minerals?

  • Lignite
  • Coal
  • Bauxite
  • Limestone

The primary application of BWEs is in Lignite mining, where they are used for soft rock overburden removal in the absence of blasting.

Q) The point beyond which mineral/ore cannot be economically extracted out is called

  1. Stripping ratio
  2. Break even stripping ratio
  3. Over all stripping ratio
  4. Grade point
  5. None of these

The break-even stripping ratio (BESR) is the maximum amount of waste (overburden) that can be removed per unit of ore while maintaining a profitable open-pit mining operation. Any ratio below the BESR means extracting that specific block of ore is profitable

Q) Option 1

  1. Test
  2. Tets
  3. Test
  4. Test

Test

Q) Instructor means a person Who has

  1. Appointed
  2. Nominated / Designated
  3. Authorized
  4. Delegate
  • Appointed

Q) Rescue trained person” means a person Certified by the_____ to be rescue trained person

  1. CIM
  2. RIM
  3. O/A/M
  4. Superintendent

Superintendent

Q) Establishment and location of rescue station:- Provided that where there are below ground mines belonging to more than one owner, the____ may permit or require two or more owners to jointly establish a common rescue station

  1. CIM
  2. RIM
  3. CIM & RIM
  4. Manager

CIM

Q) Provided further that all the existing rescue stations as on the date of; coming into force of these rule, shall Continue to Function for a period of __from that date.

  1. 3 years
  2. 5 years
  3. 2 years
  4. 4 years

3 years

Q) At every rescue station there shall be appointed _______

  1. 1 Superintendent
  2. 2 Superintendent
  3. 3 Superintendent
  4. 4 Superintendent

1 Superintendent

Q) At every rescue station there shall be appointed 1 Superintend and at least__.

  1. 1 Instructor
  2. 3 Instructor
  3. 2 Instructor
  4. 4 Instructor

2 Instructor

Q) At every rescue station there shall be appointed 1 Superintend and at least 2 Instructor and also, there shall be maintained a Rescue Brigade of not less than ____ Rescue Trained Persons.

  1. 15
  2. 19
  3. 18
  4. 17

18

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