Write the advantages of Hydraulic mining.
[7 marks]Explain precaution to be taken while working of seams under river and water lodgments.
[7 marks]Describe principles of operation and design of Powered supports.
[7 marks]Write short note [1] ore mining by leaching.
[7 marks]Explain precautions to be taken while working of seams liable to spontaneous heating.
[7 marks]What are the recent developments in underground metal mining?
[7 marks]Describe Horizon mining method with neat sketch & its advantages.
[7 marks]List out factor affecting underground coal gasification. Explain basic principles of underground coal gasification with layouts.
[7 marks]Explain hydro-chemical and biochemical methods of mining.
[7 marks]Explain support system of wide excavations of long wall depillaring faces.
[7 marks]What are the problems of deep mining? Explain its remedial measures.
[7 marks]Explain Auger mining method.
[7 marks]Explain problems in mining of thin seams.
[7 marks]List out various types of coal and explain about them.
[7 marks]Explain past and present status of Mining Industries.
[7 marks]Explain Shield Support with their construction features and application.
[7 marks]Explain Chock Shield Support with their construction features and application.
[7 marks]