Mining Engineering > GATE 2017 > Drilling
The operating conditions of a rotary rock drill are: applied thrust: 6.75 kN, revolution: 180 rpm, and penetration rate: 0.15 m/min. The work done per revolution in N-m is
Correct : 5.15 to 6.0
Similar Questions
The drilling technique applicable for mineral exploration is
Tricone roller bit is used with
Tri-cone drill bit is a type of
Total Unique Visitors
Loading......