MINE FOREMAN STUDY GUIDE QUESTIONS AND ANSWERS | COMPLETE EXAM PREP
(2026/2027)
Act: - ANS ✔✔The federal mine safety and health act of 1977
Active workings - ANS ✔✔Any place in a coal mine where miners are normally required to work
or travel
qualified person - ANS ✔✔as the context requires
Rock Dust - ANS ✔✔Pulverized limestone, dolomite, gypsum, anhydrite, shale, adobe, or other
inert material, preferably light colored, 100 percent of which will pass through sieve having 20
meshes per linear inch and 70 percent or more of which will pass though a sieve having 200
meshes per linear inch; the particles of which when wetted and dried will not cohere to form a
cake which will not be dispersed into separate particles by a light blast of air; and which does
not contain more than 5 percent combustible matter or more than a total of 4 percent free and
combined silica (SiO2), or where the Secretary finds that such silica concentrations are not
available, which does not contain more than 5 percent of free and combined silica.
Working Face: - ANS ✔✔Any place in a mine where material is extracted during a mining cycle.
Working Face: - ANS ✔✔Any place in a mine where material is extracted during a mining cycle.
Inby the last open crosscut.
Working section: - ANS ✔✔All areas of the coal mine from the loading oiunt if the section to
and including the working faces
Air Course: - ANS ✔✔An entry or a set of entries separated from other entries by stoppings,
overcasts, other ventilation control devices, or by solid blocks of coal or rock so that any mixing
of air currents between each is limited to leakage.
(2026/2027)
Act: - ANS ✔✔The federal mine safety and health act of 1977
Active workings - ANS ✔✔Any place in a coal mine where miners are normally required to work
or travel
qualified person - ANS ✔✔as the context requires
Rock Dust - ANS ✔✔Pulverized limestone, dolomite, gypsum, anhydrite, shale, adobe, or other
inert material, preferably light colored, 100 percent of which will pass through sieve having 20
meshes per linear inch and 70 percent or more of which will pass though a sieve having 200
meshes per linear inch; the particles of which when wetted and dried will not cohere to form a
cake which will not be dispersed into separate particles by a light blast of air; and which does
not contain more than 5 percent combustible matter or more than a total of 4 percent free and
combined silica (SiO2), or where the Secretary finds that such silica concentrations are not
available, which does not contain more than 5 percent of free and combined silica.
Working Face: - ANS ✔✔Any place in a mine where material is extracted during a mining cycle.
Working Face: - ANS ✔✔Any place in a mine where material is extracted during a mining cycle.
Inby the last open crosscut.
Working section: - ANS ✔✔All areas of the coal mine from the loading oiunt if the section to
and including the working faces
Air Course: - ANS ✔✔An entry or a set of entries separated from other entries by stoppings,
overcasts, other ventilation control devices, or by solid blocks of coal or rock so that any mixing
of air currents between each is limited to leakage.
