Mining Methods I
Practice test questions for the PA Mine Officials' Exam

Progress Indicator:
Question 1 of 20

1.  Pillars between auger holes shall be:

Choices:
  1. 4 feet wide
  2. 6 feet wide
  3. 10 feet wide
  4. wide enough to support the overburden adequately

See more about these products

Accident Resources Training Resources Mine Rescue Resources Online Quizzes