Introduction To Mining Engineering - Study Mode
[#196] Why fleet angle is limited to 1.5°?
Correct Answer
(B) to prevent excessive wear & tear of the winding rope
[#197] The suitable method of mining a 2 m thick strong sulphide ore deposit within strong wall rocks dipping at 18° and occurring at 60 m below the surface is
Correct Answer
(D) breast stoping
[#198] Which of the following is mainly considered for deciding size of panel in depillaring operation
Correct Answer
(D) incubation period
[#199] In any underground mining methods cut, drill and blast combined known as
Correct Answer
(B) coal preparation operation
[#200] Which types of detonators are recommended to use with Permitted explosives during blasting off the solid?
Correct Answer
(C) non-incendive copper short delay detonators