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Coal Mining MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Coal Mining. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Coal Mining chapter is particularly important for students studying mining engineering. Page-6 section-1

Each section contains 100 MCQs on Coal Mining .
51
The core (dia in mm) size obtained with NX size
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Answer & Solution
Answer: Option D
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52
Match the following:
1. Thickseam Extraction a. Double Unit Face
2. Bord and Pillar Extraction b. Jet Pearcing
3. Longwall Face Development c. Inclined Slicing
4. Hydraulic Mining d. Half Moon
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Answer & Solution
Answer: Option A
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53
The minimum distance between two sections should be if one working at floor and one at top.
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Answer & Solution
Answer: Option D
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54
Depillaring operations conducted from dip to . . . . . . . .
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Answer & Solution
Answer: Option C
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55
Room and pillar mining employed at depth below . . . . . . . . meters.
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Answer & Solution
Answer: Option C
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56
The core sizes whose wire line drilling technique is adopted are for BX holes
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Answer & Solution
Answer: Option A
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57
Barrier in between panels is preferably puncture at 'A' number of places. 'A' is given by
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Answer & Solution
Answer: Option D
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58
Dewatering can be done by using the drill machines like
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Answer: Option A
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59
Rock formed by errosion, weathering, transportation and ultimately deposition of pre-existing rock
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Answer & Solution
Answer: Option B
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60
Maximum roof exposure for caving is
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Answer & Solution
Answer: Option A
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