Mining Engineering Quiz | Mining Engineering Multiple Choice Questions(MCQs) & Answers

Questions
1 When the material collected to represent a rock type, or a formation or an ore body in the quantitative sense then it is termed as:
A Specimen
B Sample
C Both specimen and sample can be used
D Quantitative specimen

Answer: Sample
2 Drift mining is generally employed:
A For the underground mining
B For coal mining
C ln the exploitation of placers
D In the exploitation of copper ore

Answer: ln the exploitation of placers

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3 Horizon mining for coal winning is more suitable where:
A The coal seams are horizontal
B The coal seams are highly disturbed
C The coal seams are slightly dipping
D The coal seams are found above the earth’s surface

Answer: The coal seams are found above the earth’s surface
4 The mining methods adopted in Rakha copper mine:
A Cut and fill method
B Room and pillar method.
C Post and pillar method
D All the above

Answer: All the above
5 Long wall method is:
A Generally applicable to thin coal seams
B Applied to deep mining
C Applicable to thick coal seams
D Applied to very deep mining and thick coal seams

Answer: Generally applicable to thin coal seams
6 The width of the ore body which can be economically mined is:
A Stopping width.
B Assay width.
C Actual width.
D Grady width.

Answer: Stopping width.
7 Long wall method is generally employed for:
A Copper ore mining.
B lron ore mining.
C Coal mining.
D Gypsum mining.

Answer: Coal mining.
8 Choose the most suitable answer for Gathering:
A lt is a opencast mining method.
B lt is a underground mining method.
C lt is a mining method, which is used for coal winning.
D lt is a underground mining method used for small rich ore bodies.

Answer: lt is a underground mining method used for small rich ore bodies.
9 Strip mining is a method of:
A Underground mining.
B Opencast mining with a high degree of mechanization.
C Horizon mining.
D Long wall mining.

Answer: Opencast mining with a high degree of mechanization.
10 Minimum metal percentage, at which mining is profitable, is known as:
A Average grade.
B Cut off grade.
C Mill grade.
D Economical grade.

Answer: Cut off grade.
11 The openings in the mini, which serve as a means of entry is known as:
A Shafts.
B Edits
C Cross cut.
D Stop.

Answer: Shafts.
12 Snake holes are:
A Vertically drilled holes.
B More of less horizontally drilled holes at the foot of a high bench.
C Inclined drilling holes.
D Vertically drilled holes with two lateral openings.

Answer: More of less horizontally drilled holes at the foot of a high bench.
13 The mining terminology, exploitation or winning is:
A The process of blasting.
B The process of extracting the ore or economic mineral from the earth.
C The process of ventilation.
D The detailed mapping of the ore body.

Answer: The process of extracting the ore or economic mineral from the earth.
14 Blasting gelatin is made up of:
A Nitroglycerine and ammonium nitrate.
B Nitroglycerine and sodium nitrate.
C Nitroglycerine and guncotton.
D Nitroglycerine only.

Answer: Nitroglycerine and guncotton.
15 The drill holes which are driven vertically and make the sides of the excavation are Described as:
A Easers.
B Simpers.
C Dressers.
D Hole directors.

Answer: Dressers.
16 High explosives containing:
A Nitroglycerine.
B Sodium nitrate.
C Ammonium nitrate.
D Charcoal sulphur.

Answer: Ammonium nitrate.
17 "Salting" of an ore is done:
A By adding common salts.
B By removing salt form the ore.
C By mixing substances for increasing the values in the ore sample.
D By mixing substances for lowering the values in the ore samples.

Answer: By adding common salts.
18 The grade which is available from a property after actual mining is:
A Computed grade.
B Effective grade.
C Run - of - mine grade.
D Pit head grade.

Answer: Effective grade.
19 The spacing of the trenches pits and boreholes depend on:
A The length of the ore body.
B The modes of occurrence of the deposits.
C The depth of the deposits.
D The outcrops of the deposits.

Answer: The modes of occurrence of the deposits.
20 Grab sampling consists in:
A Picking pieces of ore at one place only.
B Picking pieces of ore at random to make up a sample.
C Picking pieces of coal only.
D Picking pieces of ore in a grid fashion.

Answer: Picking pieces of ore at random to make up a sample.
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