Introduction To Mining Engineering - Study Mode
[#136] The method of joining rope is known as
Correct Answer
(B) rope splicing
[#137] A longwall panel with a face height of 3.0 m and face length of 150.0 m is worked in 3 shifts per day employing 40 men per shift. The depth of the web of the shearer cutting coal is 0.5 m. The unit weight of the coal is 1.4 tonne/m 3 . Two full face cuts are executed per shift. The daily production from the panel in tonne is
Correct Answer
(C) 1890
[#138] The number of workmen's inspector in a large u/g coal mine
Correct Answer
(C) 3
[#139] A tension crack of 5 m depth behind a rock slope crest is completely filled with water. What is the horizontal force exerted on a unit slope length by the water in the tension crack.
Correct Answer
(A) 122.60 kN
[#140] Rack & Pinion is used for
Correct Answer
(B) to convert rotary motion into a linear motion