| Question |
Answer |
Notes |
| Rank from 1 to 4 the following responses during an emergency underground such as a fire or explosion, with 1 being the most desirable: Escape via primary escape; Barricade; Shelter in refuge chamber; Evacuate via secondary escape |
1. Evacuate via primary escape; 2. Evacuate via secondary escape; 3. Shelter in refuge chamber; 4. Barricade |
The principal goal is to get out of the mine. Minor injuries or smoke should not deter evacuation. |
| Which is not a main purpose of a refuge chamber during an underground emergency? A. To provide a controlled atmospheric environment to sustain life; B. To be a muster point; C. To be the first option during an emergency evacuation; D. To be a point of retrieval of personnel by emergency services |
C. To be the first option during an emergency evacuation |
|
| Refuges must be positioned so that an employee can reach one within how many minutes of leaving their work area? A. 60; B. 90; C. 10; D. 30 |
D. 30 |
|
| True or false: Telephone or other voice communication must be provided between the surface and refuge chambers, and such systems must be independent of the mine power supply. |
True |
|
| What emergency response method is designed to be rapidly constructed in emergencies when mine evacuation or access to a refuge chamber is not possible? A. Guarding; B. Blocking; C. Barricading; D. Safe spacing |
C. Barricading |
|
| What are four items requied in a refuge chamber? |
Lights; food; water; breathable air; scrubber system; communication; toilet; first aid kit |
|
| What alternative refuge method is used only when miners cannot escape a mine and cannot get to a refuge chamber? |
Barricading |
|
| In coal mining, what is the most important and life-saving characteristic of a properly constructed barricade? |
Being air tight |
|
| Which two of the following are requirements for the placement of mine refuge stations in underground coal mines? A. Refuges must be provided within 1000 feet of the working face; B. Refuges must be provided within one hour walking time from the working section; C. Refuges or a safe exit to the surface must be provided within one hour travel time for any outby personnel; D. A refuge must be provided to coincide with every SCSR cache |
A. Refuges must be provided within 1000 feet of the working face; B. Refuges must be provided within one hour walking time from the working section |
|
| Name two conditions that would cause you to enter a refuge chamber. |
When you are unable to exit the mine due to injury or physical limitation/condition; When you have exhuasted all other means of escape; When information confirms that escape is not an option |
|
| What two responsibilities do you have concerning refuge chambers at the mine where you are working? |
To know where they are; To know how to activate them |
|
| Which of the following are additional hazards involved with barricading? A. CO2 may become a problem if you are in the barricade too long; B. There is no way to monitor or purge the barricade; C. Barricades do not offer the protection of refuge chambers; D. All of the above |
D. All of the above |
|
| True or false: Refuge chambers are required on every surface mine. |
False |
|
| Which of the following is not a reason to enter a refuge chamber? A. All escape attempts have failed; B. There is a profuse amount of smoke; C. You are physically limited; D. You are severely injured |
B. There is a profuse amount of smoke |
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