Which of the following can be used safely right upto the face of coal mine
A. Battery loco
B. Diesel loco
C. Trolley wire loco
D. All of these
Answer: Option A
This Question Belongs to Mining Engineering >> Mining Machinery
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Coal cutting machine ropes are . . . . . . . . wire rope core.
A. Fibre
B. Steel strand core
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D. All
The joining of ropes is termed as . . . . . . . .
A. Rope stitching
B. Rope splicing
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D. Rope volcanizing
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