2017 Mine Rescue Statements Flashcards
To test for methane, …
To test for methane, use a methane detector or chemical analysis.
Progress reports should include …
Progress reports should include reports on roof and rib conditions and gas conditions
When survivors are found, they should be …
When survivors are found, they should be transported to safety and fresh air as quickly as possible.
…, a thick coating of rock dust should be applied to the ribs, roof and floor for several hundred feet outby the seals, and if possible, inside the seal, to reduce the chance of propagating a coal dust explosion.
When fires are sealed in gassy or dusty mines, a thick coating of rock dust should be applied to the ribs, roof and floor for several hundred feet outby the seals, and if possible, inside the seal, to reduce the chance of propagating a coal dust explosion.
… is an effective sealant when used around the perimeter of a seal
Urethane foam is an effective sealant when used around the perimeter of a seal
…return to the fresh air base because of a problem, it is standard practice among teams for the entire team to go back with that person. No one should ever travel alone
If a team member must return to the fresh air base because of a problem, it is standard practice among teams for the entire team to go back with that person. No one should ever travel alone
… help to identify gases during barefaced exploration.
Color, odor, and taste are physical properties that help to identify gases during barefaced exploration.
Hazardous areas should be marked …
Hazardous areas should be marked to warn other teams that may enter the area after yours
…, the practice has been to wait 72 hours before making the initial visit to the seals
After a fire has been sealed, the practice has been to wait 72 hours before making the initial visit to the seals
… , you may need to keep in constant physical contact with a rail, a compressed air or water line, or the rib in order to feel your way along.
If smoke is so dense as to make visibility poor, you may need to keep in constant physical contact with a rail, a compressed air or water line, or the rib in order to feel your way along.
The main objective of recovery work…
The main objective of recovery work is to put the affected area of the mine back in operation as soon as possible
As a team advances, it is important …
As a team advances, it is important to stay in close contact with the fresh air base/command center to report team progress and to receive further instructions
… should be located where it’s assured positive ventilation and fresh air
The fresh air base should be located where it’s assured positive ventilation and fresh air
Hazards of direct firefighting are …
Hazards of direct firefighting are electric shock or electrocution, toxic and asphyxiating gases, oxygen deficiency, explosive gases, heat, smoke and steam.
When looking for survivors, …
When looking for survivors, it is important to both look and listen for clues
The lower explosive limit of hydrogen is …
The lower explosive limit of hydrogen is 4.0 percent
If smoke is so dense as to make visibility poor, …
If smoke is so dense as to make visibility poor, you may need to keep in constant physical contact with a rail, a compressed air or water line, or the rib in order to feel your way along.
All temporary seals should …
All temporary seals should be well hitched in the floor roof, and ribs to improve their strength
… , it is important to both look and listen for clues
When looking for survivors, it is important to both look and listen for clues
… inspect roof and ribs before the team members advance into the area
Team captains should inspect roof and ribs before the team members advance into the area
Carbon monoxide can be detected …
Carbon monoxide can be detected by means of carbon monoxide detectors, multi-gas detectors, or by chemical analysis.
… force inert gases into areas where they are trying to remove the oxygen leg of the fire triangle
Firefighters force inert gases into areas where they are trying to remove the oxygen leg of the fire triangle
Urethane foam is an effective sealant …
Urethane foam is an effective sealant when used around the perimeter of a seal
… coal dust in air may be explosive
One and one-half to two percent methane together with coal dust in air may be explosive
Nitrogen dioxide is produced …
Nitrogen dioxide is produced by burning and by the detonation of explosives
… carbon monoxide detectors, multi-gas detectors, or by chemical analysis.
Carbon monoxide can be detected by means of carbon monoxide detectors, multi-gas detectors, or by chemical analysis.
… should include reports on roof and rib conditions and gas conditions
Progress reports should include reports on roof and rib conditions and gas conditions
The main objectives of exploration work during a mine fire …
The main objectives of exploration work during a mine fire are locating the fire and assessing conditions in the fire area.
When appropriate, a fire area is not un-sealed until …
When appropriate, a fire area is not un-sealed until the oxygen content is low enough to make explosions impossible and the carbon monoxide has disappeared
A self-contained breathing apparatus is a …
A self-contained breathing apparatus is a completely portable unit that supplies oxygen or air independently of the surrounding atmosphere.
… build an airlock so that the two stoppings are erected as close together as possible yet with enough space to allow room for the team and their equipment to fit in between.
Rescue teams should build an airlock so that the two stoppings are erected as close together as possible yet with enough space to allow room for the team and their equipment to fit in between.
… , it is important to stay in close contact with the fresh air base/command center to report team progress and to receive further instructions
As a team advances, it is important to stay in close contact with the fresh air base/command center to report team progress and to receive further instructions
… in air that will burn or explode when ignited.
Firedamp is a mixture of methane in air that will burn or explode when ignited.
… is underground, it should be located where it’s assured a fresh air travelway to the surface
If the fresh air base is underground, it should be located where it’s assured a fresh air travelway to the surface
… of exploration work during a mine fire are locating the fire and assessing conditions in the fire area.
The main objectives of exploration work during a mine fire are locating the fire and assessing conditions in the fire area.
Rescue teams should build an airlock so …
Rescue teams should build an airlock so that the two stoppings are erected as close together as possible yet with enough space to allow room for the team and their equipment to fit in between.
If the fresh air base is underground, it should be located …
If the fresh air base is underground, it should be located where it’s assured a fresh air travelway to the surface
… built at locations with good roof and even roof and ribs
Seals should be built at locations with good roof and even roof and ribs
When fires are sealed in gassy or dusty mines, a thick coating of …
When fires are sealed in gassy or dusty mines, a thick coating of rock dust should be applied to the ribs, roof and floor for several hundred feet outby the seals, and if possible, inside the seal, to reduce the chance of propagating a coal dust explosion.
… , use a methane detector or chemical analysis.
To test for methane, use a methane detector or chemical analysis.
… , their location, identities, and condition should be reported immediately to the command center
When survivors are located, their location, identities, and condition should be reported immediately to the command center
… is a completely portable unit that supplies oxygen or air independently of the surrounding atmosphere.
A self-contained breathing apparatus is a completely portable unit that supplies oxygen or air independently of the surrounding atmosphere.
… , they should be transported to safety and fresh air as quickly as possible.
When survivors are found, they should be transported to safety and fresh air as quickly as possible.
… well hitched in the floor roof, and ribs to improve their strength
All temporary seals should be well hitched in the floor roof, and ribs to improve their strength
As a team advances, it is important to stay in close contact with the ……. to report team progress and to receive further instructions
As a team advances, it is important to stay in close contact with the fresh air base/command center to report team progress and to receive further instructions
Once rescued, survivors …
…, survivors should never be left alone
Firedamp is a mixture of …
Firedamp is a mixture of methane in air that will burn or explode when ignited.
When survivors are located, the location, …
When survivors are located, the location, time, and date should be marked on the team’s map and on the rib where they are found
…. of Nitrogen Dioxide is 20 ppm
The IDLH of Nitrogen Dioxide is 20 ppm
If a team member must return to the fresh air base because of a problem, it is standard practice …
If a team member must return to the fresh air base because of a problem, it is standard practice among teams for the entire team to go back with that person. No one should ever travel alone
… marked to warn other teams that may enter the area after yours
Hazardous areas should be marked to warn other teams that may enter the area after yours
High volatile coal burns …
High volatile coal burns much faster than low or medium volatile coal
It may be necessary to double or triple the…
It may be necessary to double or triple the thickness of the material in order to improve the effectiveness of a temporary seal.
Seals should be built at …
Seals should be built at locations with good roof and even roof and ribs
…, dry air at sea level is made up of 78 percent nitrogen and 21 percent oxygen
Clean, dry air at sea level is made up of 78 percent nitrogen and 21 percent oxygen
Elevators should be tested…
Elevators should be tested before use following a disaster
… , one door of the airlock must be kept closed while the other is opened.
In order to maintain an airlock, one door of the airlock must be kept closed while the other is opened.
Color, odor, and taste are …
Color, odor, and taste are physical properties that help to identify gases during barefaced exploration.
One and one-half to two percent methane …
One and one-half to two percent methane together with coal dust in air may be explosive
In order to maintain an airlock, …
In order to maintain an airlock, one door of the airlock must be kept closed while the other is opened.
When survivors are located, their location, …
When survivors are located, their location, identities, and condition should be reported immediately to the command center
… are electric shock or electrocution, toxic and asphyxiating gases, oxygen deficiency, explosive gases, heat, smoke and steam.
Hazards of direct firefighting are electric shock or electrocution, toxic and asphyxiating gases, oxygen deficiency, explosive gases, heat, smoke and steam.
… double or triple the thickness of the material in order to improve the effectiveness of a temporary seal.
It may be necessary to double or triple the thickness of the material in order to improve the effectiveness of a temporary seal.
After a fire has been sealed, the practice has been to wait 72 hours before …
After a fire has been sealed, the practice has been to wait 72 hours before making the initial visit to the seals
… burning and by the detonation of explosives
Nitrogen dioxide is produced by burning and by the detonation of explosives
…, a fire area is not un-sealed until the oxygen content is low enough to make explosions impossible and the carbon monoxide has disappeared
When appropriate, a fire area is not un-sealed until the oxygen content is low enough to make explosions impossible and the carbon monoxide has disappeared
Team captains should inspect …
Team captains should inspect roof and ribs before the team members advance into the area
The fresh air base should be located …
The fresh air base should be located where it’s assured positive ventilation and fresh air
… of recovery work is to put the affected area of the mine back in operation as soon as possible
The main objective of recovery work is to put the affected area of the mine back in operation as soon as possible
