Coal Mining - Study Mode

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[#381] Headings advancing in a direction right angles to the main cleat called

(A) Bords

(B) End places

(C) Walls

(D) Splits

Correct Answer

(A) Bords

[#382] Brown coal is called

(A) Peat

(B) Lignite

(C) Bituminous

(D) Anthracite

Correct Answer

(B) Lignite

[#383] Top slicing stoping method belongs to

(A) Self supported class

(B) Artificially supported class

(C) Caving class

(D) In seam mining class

Correct Answer

(B) Artificially supported class

[#384] Life of MS pipe used in stowing . . . . . . . . lac ton of sand.

(A) 10

(B) 8

(C) 6

(D) 4

Correct Answer

(C) 6

[#385] In permanent lining, in hard rock the excavation reduced to finished diameter of the shaft and continuous thus for . . . . . . . . below.

(A) 1 - 2 m

(B) 2 - 3 m

(C) 3 - 4 m

(D) 4 - 5 m

Correct Answer

(C) 3 - 4 m