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Depending on the decreasing ability of surrounding rock to store strain energy, the underground metal mining methods can be ordered as

Depending on the decreasing ability of surrounding rock to store strain energy, the underground metal mining methods can be ordered as Correct Answer Sublevel open stoping, Cut-and-fill stoping, Sublevel caving, Block caving

Related Questions

The following characteristic curves (P, Q, R, S) pertain to rotary drilling in rock.
Mining Machinery mcq question image
Title of the curve
I : Torque versus RPM
II: Rate of penetration versus uniaxial compressive strength of rock
III : Rate of penetration versus weight on bit
IV : Specific energy versus weight on bit
Match the curves with their titles
From an alloy, two specimens are machined and tested separately under tension and compression. The engineering stress-strain curves as well as the true stress-true strain curves for tension and compression are plotted in the same diagram. Identify the correct statements:
P. The engineering stress-strain curves in tension and compression are identical.
Q. The true stress-true strain curve in compression is lower than the true stresstrue strain curve in tension due to Bauschinger effect.
R. The true stress-true strain curve in tension is above the corresponding engineering stress-strain, curve.
S. The true stress-true strain curve in tension and compression are identical.
A flat coal seam of thickness (t) 3m is excavated and broken roof rock has completely filled the space created due to extraction as shown in the figure. If the bulking factor of roof rock is 1.2. the caving height (H) in m is
Introduction to Mining Engineering mcq question image
In an opencast mine shown in the figure below, the coal has a density of 1.4 t/m3. Assuming mining operation started from plane XY, the operating stripping ratio under the given conditions in m3/t is
Introduction to Mining Engineering mcq question image
A vertical ore body having a consistent width of 100 m has been excavated by the open pit method up to a depth of 100 m at a pit slope angle of 45°. The figure shows the cross section of the open pit. If the ore body is further excavated by a depth of 10 m, maintaining the same pit slope angle, the ratio of waste rock to ore is
Introduction to Mining Engineering mcq question image
The price of an item is 10% cheaper in an online store S compared to the price at another online store M. Store S charges ₹ 150 for delivery. There are no delivery charges for orders from the store M. A person bought the item from the store S and saved ₹ 100. What is the price of the item at the online store S (in ₹) if there are no other charges than what is described above?
Which of the following statements are true for renewable energy? a. Energy obtained from natural and persistent flow of energy occurring in the immediate environment. b. The renewable energy is obtained from static stores of energy that remain underground unless released by human interaction. c. It is also called as Green energy Sustainable energy. d. It is the energy supplied by finite supplies or Brown energy.
Which set of statements will describe the nature and characteristics of the Emotional Intelligence of a person? Choose the correct answer from the code given below. i) Ability to act purposefully ii) Ability to handle fear and anxiety iii) Ability to think abstractly iv) Ability to promote the feeling of satisfaction v) Ability to see others point of view vi) Ability to learn from past experiences
The Mineral Laws (Amendment) Bill, 2020 has recently been passed. Consider the following regarding the same: 1. With the introduction of this Bill, companies which do not have any prior coal mining experience in India can also participate in the auction of coal blocks. 2. Private companies will now be able to undertake coal mining for commercial mining purposes, thereby ending the captive end-use criteria. 3. A composite license namely Prospecting License-Cum-Mining Lease has been introduced in the Bill. 4. The revenue-sharing model detailed in the Bill is based on recommendations of an expert committee headed by Injeti Srinivas. Which of the above are true? 
Consider the following statement: a) In the refrigerator the temperature of the system is more than the surrounding b) In the refrigerator the temperature of the system is less than the surrounding c) In the heat pump the temperature of the system is more than the surrounding d) In the heat pump the temperature of the system is less than the surrounding Which of the above statements is CORRECT?