JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B. Tech II DEVELOPMENT OF MINERAL DEPOSITS Previous Question Paper (February - 2024 - R22)
Note: This question paper contains two parts A and B. i) Part- A for 10 marks, ii) Part - B for 50 marks. Part-A is a compulsory question. Part-B consists of ten questions (numbered from 2 to 11) carrying 10 marks each. From each unit, there are two questions and the student should answer one of them.
Part A
Define the term “mine”.
Answer
A mine is an excavation made in the earth for the purpose of extracting minerals, ores, or other valuable geological materials.
Define the term “Ore deposits”.
Answer
Ore deposits are naturally occurring concentrations of minerals or rocks that can be extracted and processed profitably under current economic and technological conditions.
What are blasting accessories?
Answer
Sign in to view the complete answer paper.
Define the term “Emulsion explosives.”
Answer
Sign in to view the complete answer paper.
List the different stages of shaft sinking.
Answer
Sign in to view the complete answer paper.
List the purpose of water garland in shaft.
Answer
Sign in to view the complete answer paper.
What are the different cycle of operations during drivage of drifts in cyclic method?
Answer
Sign in to view the complete answer paper.
Distinguish between an adit and shaft.
Answer
Sign in to view the complete answer paper.
List the types of supporting systems.
Answer
Sign in to view the complete answer paper.
What is the necessity of supports in mines?
Answer
Sign in to view the complete answer paper.
Part B
Enlist six names of tile minerals and their place of occurrence in India.
Answer
Sign in to view the complete answer paper.
Explain the stages in the life of the mine.
Answer
Sign in to view the complete answer paper.
Briefly explain the role of mining engineers in the industry.
Answer
Sign in to view the complete answer paper.
State the positive and negative aspects of mining.
Answer
Sign in to view the complete answer paper.
Enlist the arrangements to be made before commencing shaft sinking operations.
Answer
Sign in to view the complete answer paper.
What are the different modes of entry into the mineral deposits? Explain under what conditions each one is used?
Answer
Sign in to view the complete answer paper.
What are the essential features of a mechanized shaft sinking operations?
Answer
Sign in to view the complete answer paper.
Discuss the various methods of providing permanent lining to shaft walls during the course sinking with suitable diagrams?
Answer
Sign in to view the complete answer paper.
Explain the method of sinking a shaft in highly water bearing strata with the help of suitable diagrams.
Answer
Sign in to view the complete answer paper.
Explain the method of widening and deepening of shafts.
Answer
Sign in to view the complete answer paper.
Explain a method of providing ventilation and handling of water from shaft during the course of sinking operations. Explain with suitable diagrams?
Answer
Sign in to view the complete answer paper.
Describe the Cementation method of shaft sinking.
Answer
Sign in to view the complete answer paper.
Describe about “Tunnel Boring Machine”.
Answer
Sign in to view the complete answer paper.
Explain the Coal Drift to be driven for a length of 100m, give the method of Maintaining gradient and direction of the drift.
Answer
Sign in to view the complete answer paper.
What are the essential features of a road heading machine. Explain the method of driving a gate roadway using a modern road headers.
Answer
Sign in to view the complete answer paper.
Describe the ventilation and lighting arrangements for Long headings driven by Road headers.
Answer
Sign in to view the complete answer paper.
Explain the systems of roof bolting and their applicability.
Answer
Sign in to view the complete answer paper.
Explain the method of setting props at different situations.
Answer
Sign in to view the complete answer paper.
Describes the constructional details of friction and Hydraulic props.
Answer
Sign in to view the complete answer paper.
Explain the method of Roof stitching.
Answer
Sign in to view the complete answer paper.