MSHA Final Exam with All Correct & 100% Verified
Answers |Latest Version| Already Graded A+
Operator ✔Correct Answer-Any owner, lease or other person who operates, controls, or supervises
a coal or other mine or any independent contractor performing services or construction at such mine
Agent ✔Correct Answer-Oversee the activities of any individuals at a mine, production,
construction, maintain or survey crew
The operator has 15min to notify MSHA when ___, ____, or _____ happens. ✔Correct Answer-
death, or the injury or entrapment of an individual could cause death
Imminent Danger ✔Correct Answer-The existence of any condition or practice in a mine which
could reasonably be expected to cause death or serious physical harm before such condition or
practice can be abated
Unwarrantable Failure ✔Correct Answer-Aggravated conduct, constituting more than ordinary
negligence, by a mine operator in relation to a violation of the Act
What are the mine operator's rights? ✔Correct Answer-1.) Can object directly to MSHA
2.) File pre-penalty contest
3.) Close-out conference
4.) Contest the composed penalty
5.)Part 100 S&H conference
6.)Petition for modification & for extended abatement period
7.)Expedited hearing
Explosion Proof ✔Correct Answer-The equipment enclosure must be engineered to contain any
flash or explosion.
Intrinsically safe ✔Correct Answer-The device produces insufficient thermal or electrical energy to
initiate an explosive mixture of methane and air
Permissible ✔Correct Answer-All electrically operated equipment taken or used inky the last open
crosscut of an entry or a room of ay coal mine, should be designed, constructed, and installed in
accordance with the specifications of MSHA to ensure that it doesn't start a fire or an explosion
What should a investigation report include? ✔Correct Answer-Who was involved?
What happened?
How to keep it from happening again.
Two primary causes of accidents? ✔Correct Answer-Human and Environmental elements
Toxicity ✔Correct Answer-The potency of an agent or its inherent ability to cause harm
Exposure ✔Correct Answer-The dose of a harmful agent that the worker experiences
A. To have an adverse effect from a harmful agent, the dose of that agent must be sufficient to
overwhelm the body's natural ability defend and repair itself
Answers |Latest Version| Already Graded A+
Operator ✔Correct Answer-Any owner, lease or other person who operates, controls, or supervises
a coal or other mine or any independent contractor performing services or construction at such mine
Agent ✔Correct Answer-Oversee the activities of any individuals at a mine, production,
construction, maintain or survey crew
The operator has 15min to notify MSHA when ___, ____, or _____ happens. ✔Correct Answer-
death, or the injury or entrapment of an individual could cause death
Imminent Danger ✔Correct Answer-The existence of any condition or practice in a mine which
could reasonably be expected to cause death or serious physical harm before such condition or
practice can be abated
Unwarrantable Failure ✔Correct Answer-Aggravated conduct, constituting more than ordinary
negligence, by a mine operator in relation to a violation of the Act
What are the mine operator's rights? ✔Correct Answer-1.) Can object directly to MSHA
2.) File pre-penalty contest
3.) Close-out conference
4.) Contest the composed penalty
5.)Part 100 S&H conference
6.)Petition for modification & for extended abatement period
7.)Expedited hearing
Explosion Proof ✔Correct Answer-The equipment enclosure must be engineered to contain any
flash or explosion.
Intrinsically safe ✔Correct Answer-The device produces insufficient thermal or electrical energy to
initiate an explosive mixture of methane and air
Permissible ✔Correct Answer-All electrically operated equipment taken or used inky the last open
crosscut of an entry or a room of ay coal mine, should be designed, constructed, and installed in
accordance with the specifications of MSHA to ensure that it doesn't start a fire or an explosion
What should a investigation report include? ✔Correct Answer-Who was involved?
What happened?
How to keep it from happening again.
Two primary causes of accidents? ✔Correct Answer-Human and Environmental elements
Toxicity ✔Correct Answer-The potency of an agent or its inherent ability to cause harm
Exposure ✔Correct Answer-The dose of a harmful agent that the worker experiences
A. To have an adverse effect from a harmful agent, the dose of that agent must be sufficient to
overwhelm the body's natural ability defend and repair itself
