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ECMRO Statements

Question	Answer
Three elements must be present for an explosion to occur: fuel, ____, and heat (ignition).	oxygen
Rock dust is most successfully used to fight a fire by applying it by hand or by ___ it onto the fire.	shoveling
Permanent ___ should be well hitched in the roof, floor, and ribs to make them as airtight as possible.	seals
Barefaced exploration should stop at any point where ___ in ventilation are found.	disruptions
___ seals should be well hitched in the roof, floor and ribs to make them as airtight as possible.	permanent
___ time should be allowed for a fire area to cool before it is unsealed.	sufficient
Permanent seals should be well hitched into the roof, floor, and ribs to make them as ___ as possible.	airtight
The affinity of carbon monoxide for ___ is 200 to 300 times that of oxygen.	hemoglobin
A ___ is used to show the direction and velocity of slow moving air.	smoke tube
Gas readings must be taken in the ___ the fire area to determine if the mine atmosphere is potentially explosive.	returns near
In potentially ___ atmospheres, non-sparking tools, nails, and spads should be used.	explosive
The affinity of carbon monoxide for hemoglobin is ___ to 300 times that of oxygen.	200
Breathing air containing 10 percent carbon dioxide causes ___ and can lead to death.	violent panting
A smoke tube is used to show the ___ and velocity of slow moving air.	direction
Explosions in coal mines are most often caused by ignitions of methane, coal dust, or a ___ of the two.	combination
The affinity of carbon monoxide for hemoglobin is 200 to 300 times that of ___.	oxygen
In potentially explosive atmospheres, non-sparking tools, nails, and ___ should be used.	spads
When sealing a mine fire, you should be careful to ensure that there are no ___ changes to the ventilation over the fire.	abrupt
Gas readings must be taken in the returns near the fire area to determine if the mine atmosphere is ___ explosive.	potentially
Breathing air containing ___ percent carbon dioxide causes violent panting and can lead to death.	10
A smoke tube is used to show the direction and ___of slow moving air.	velocity
Once an explosion has occurred, there is always the ___ of further explosions.	possibility
In potentially explosive atmospheres, non-sparking ___, nails, and spads should be used.	tools
An indication of an ___ may be a jump in the pressure recording chart for the main fan.	explosion
Gas readings must be taken in the returns near the fire area to ___ if the mine atmosphere is potentially explosive.	determine
When sealing a mine fire, you should be careful to ensure that there are no abrupt changes to the ___ over the fire.	ventilation
In potentially explosive atmospheres, non-sparking tools, ___, and spads should be used.	nails
Breathing air containing 10 percent ___ causes violent panting and can lead to death.	carbon dioxide
Explosions in coal mines are most often caused by ___ of methane, coal dust, or a combination of the two.	ignitions
The purpose of an airlock is to separate two different atmospheres while still permitting ___ to enter and exit without mixing the atmospheres.	miners
Once an explosion has ___, there is always the possibility of further explosions.	occured
Your Captain may order the team to return ___ to the fresh air base if a team member's apparatus malfunctions.	immediately
Explosions in coal mines are most often caused by ignitions of ___, coal dust, or a combination of the two.	methane
An indication of an explosion may be a jump in the ___ recording chart for the main fan.	pressure
___ in a coal mine are most often caused by ignitions of methane, coal dust, or a combination of the two.	explosions
Explosions in coal mines are most often caused by ignitions of methane, ___, or a combination of the two.	coal dust
Once an explosion has occurred, there is always the possibility of ___ explosions.	further
The purpose of an airlock is to separate ___ different atmospheres while still permitting miners to enter and exit without mixing the atmospheres.	two
Your Captain may order the team to return immediately to the fresh air base if a team member's ___ malfunctions.	apparatus
The purpose of an airlock is to separate two different atmospheres while still ___ miners to enter and exit without mixing the atmospheres.	permitting
Your Captain may order the team to ___ immediately to the fresh air base if a team member's apparatus malfunctions.	return
The purpose of an ___ is to separate two different atmospheres while still permitting miners to enter and exit without mixing the atmospheres.	airlock
When you have ___ a barricade, you should try to determine whether the miners inside are still alive and conscious.	located
Carbon monoxide is a product of incomplete combustion of ___ carbon materials.	any
In situations too hazardous for teams to ___ and reventilate safely, teams may be instructed to seal the area.	explore
Barefaced exploration should stop at any point where ___ in ventilation are found.	disruptions
Explosions, fires, and other ___ frequently result in weakened roof and rib conditions.	disasters
Your Captain may order the team to return immediately to the fresh air base if a team member's apparatus ___.	malfunctions
When you have located a ___, you should try to determine whether the miners inside are still alive and conscious.	barricade
Burning wood is an example of a class ___ fire.	A
___ is most successfully used to fight a fire by applying it by hand or by shoveling it onto the fire.	rock dust
In situations too hazardous for teams to explore and ___ safely, teams may be instructed to seal the area.	reventilate
When you have located a barricade, you should try to determine whether the ___ inside are still alive and conscious.	miners
Barefaced exploration should stop at any point where disruptions in ___ are found.	ventilation
___, fires, and other disasters frequently result in weakened roof and rib conditions.	explosions
Carbon monoxide is a product of ___ combustion of any carbon materials.	incomplete
Before opening and traveling through any stopping inby which conditions are not definitely known, you should first ___ a temporary stopping outby.	erect
Burning ___ is an example of a class A fire.	wood
In situations too ___ for teams to explore and reventilate safely, teams may be instructed to seal the area.	hazardous
When you have located a barricade, you should try to determine whether the miners inside are still ___ and conscious.	alive
Rock dust is most ___ used to fight a fire by applying it by hand or by shoveling it onto the fire.	successfully
When you have located a barricade, you should try to determine whether the ___ inside are still alive and conscious.	miners
Barefaced ___ should stop at any point where disruptions in ventilation are found.	exploration
Explosions, fires, and other disasters frequently result in ___ roof and rib conditions.	weakened
Carbon monoxide is a product of incomplete ___ of any carbon materials.	combustion
It is much easier to remove a concentration of a light gas like methane by ventilation than it is to remove the same concentration of a heavier gas like ___.	carbon dioxide
In situations too hazardous for teams to explore and reventilate safely, teams may be ___ to seal the area.	instructed
When you have located a barricade, you should try to determine whether the miners inside are still alive and ___.	conscious
Before opening and ___ through any stopping inby which conditions are not definitely known, you should first erect a temporary stopping outby.	traveling
Rock dust is most successfully used to fight a fire by ___ it by hand or by shoveling it onto the fire.	applying
Sufficient time should be allowed for a fire area to cool before it is ___.	unsealed
Explosions, fires, and other disasters ___ result in weakened roof and rib conditions.	frequently
Nitrogen is an ___ in above normal concentrations.	asphyxiant
___ is a product of incomplete combustion of any carbon materials.	carbon monoxide
Color, odor, and ___ are physical properties that help to identify a gas.	taste
It is much easier to remove a concentration of a light gas like methane by ___ than it is to remove the same concentration of a heavier gas like carbon dioxide.	ventilation
Rock dust is most successfully used to fight a fire by applying it by hand or by ___ it onto the fire.	shoveling
When ___ anything to the fresh air base, be sure you are clearly and correctly identifying locations.	reporting
Before opening and traveling through any stopping inby which conditions are not definitely known, you should first erect a ___ stopping outby.	temporary
Explosions, ___, and other disasters frequently result in weakened roof and rib conditions.	fires
Sufficient time should be allowed for a fire area to ___ before it is unsealed.	cool
Nitrogen is an asphyxiant in ___ normal concentrations.	above
Color, ___, and taste are physical properties that help to identify a gas.	odor
Blackdamp is a mixture of ___, nitrogen, and air which is oxygen deficient.	carbon dioxide
Explosions, fires, and other disasters frequently result in weakened ___ conditions.	roof and rib
Before ___ and traveling through any stopping inby which conditions are not definitely known, you should first erect a temporary stopping outby.	opening
It is much easier to remove a concentration of a light gas like ___ by ventilation than it is to remove the same concentration of a heavier gas like carbon dioxide.	methane
When reporting anything to the fresh air base, be sure you are clearly and correctly identifying ___.	locations
Nitrogen is an asphyxiant in above ___ concentrations.	normal
___, odor, and taste are physical properties that help to identify a gas.	color
Blackdamp is a mixture of carbon dioxide, ___, and air which is oxygen deficient.	nitrogen
It is much easier to ___ a concentration of a light gas like methane by ventilation than it is to remove the same concentration of a heavier gas like carbon dioxide.	remove
___ is an asphyxiant in above normal concentrations.	nitrogen
When reporting anything to the fresh air base, be sure you are clearly and correctly ___ locations.	identifying
Color, odor, and taste are ___ properties that help to identify a gas.	physical
Color, odor, and taste are physical ___ that help to identify a gas.	properties
Color, odor, and taste are physical properties that help to ___ a gas.	identify
Under no circumstances should ___ be altered without orders to do so from the command center.	ventilation
___ fires are best extinguished by cooling with water or by blanketing with certain dry chemicals.	"class A"
The ___ priority of rescue and recovery operations is team safety.	first
The ___ priority of rescue and recovery operations is the rescue of survivors.	second
No one who is or ever has been a mine rescue team member on a ___ mine rescue team shall be a member of a collegiate mine rescue team. does not apply to students participating on or with mine rescue teams during summer jobs or work/study programs.	certified
Blackdamp is a mixture of carbon dioxide, nitrogen, and ___ which is oxygen deficient.	air
___ is produced by the incomplete combustion of carbon materials during fires and explosions.	hydrogen
"Class A" fires are best extinguished by ___ with water or by blanketing with certain dry chemicals.	cooling
Under no circumstances should ventilation be altered without ___ to do so from the command center.	orders
Blackdamp is a mixture of carbon dioxide, nitrogen, and air which is ___ deficient.	oxygen
The first priority of ___ and recovery operations is team safety.	rescue
The second priority of rescue and recovery ___ is the rescue of survivors.	operations
Toxic gases are produced by burning ___, neoprene, or polyvinyl chloride (PVC).	rubber
Hydrogen is ___ by the incomplete combustion of carbon materials during fires and explosions.	produced
Under no circumstances should ventilation be ___ without orders to do so from the command center.	altered
The first priority of rescue and recovery ___ is team safety.	operations
"Class A" fires are best extinguished by cooling with water or by ___ with certain dry chemicals.	blanketing
Under no circumstances should ventilation be altered without orders to do so from the ___.	command center
___ is a mixture of carbon dioxide, nitrogen, and air which is oxygen deficient.	blackdamp
The second priority of rescue and recovery operations is the ___ of survivors.	rescue
Toxic gases are produced by burning rubber, ___, or polyvinyl chloride (PVC).	neoprene
The first priority of rescue and recovery operations is ___.	team safety
Hydrogen is produced by the ___ combustion of carbon materials during fires and explosions.	incomplete
The second priority of rescue and recovery operations is the rescue of ___.	survivors
The first priority of rescue and ___ operations is team safety.	recovery
Hydrogen is produced by the incomplete combustion of carbon materials during fires and ___.	explosions
Toxic gases are produced by burning rubber, neoprene, or ___.	polyvinyl chloride (PVC)
Hydrogen is produced by the incomplete combustion of carbon materials during ___ and explosions.	fires
___ gases are produced by burning rubber, neoprene, or polyvinyl chloride (PVC).	toxic
Hydrogen is produced by the incomplete combustion of ___ materials during fires and explosions.	carbon
Toxic gases are produced by ___ rubber, neoprene, or polyvinyl chloride (PVC).	burning
___ tubes or pipes are inserted in temporary and permanent seals for the purpose of collecting air samples from the sealed area.	copper
Copper tubes or pipes are ___ in temporary and permanent seals for the purpose of collecting air samples from the sealed area.	inserted
Copper tubes or pipes are inserted in temporary and permanent seals for the purpose of ___ air samples from the sealed area.	collecting
Copper tubes or pipes are inserted in temporary and permanent ___ for the purpose of collecting air samples from the sealed area.	seals
When rescue teams travel in ___, all team members should hold onto the lifeline or be linked together by means of a link line.	smoke
When rescue teams travel in smoke, all team members should hold onto the ___ or be linked together by means of a link line.	lifeline
When rescue teams travel in smoke, all team members should hold onto the lifeline or be linked together by means of a ___.	link line
Any collegiate mine rescue team member who wears an oxygen breathing apparatus must have been ___ to properly wear, use, clean and care of the apparatus they wear in a collegiate mine rescue competition.	trained
Any collegiate mine rescue team member who wears an oxygen breathing ___ must have been trained to properly wear, use, clean and care of the apparatus they wear in a collegiate mine rescue competition.	apparatus
Any collegiate mine rescue team member who wears an oxygen breathing apparatus must have been trained to properly wear, use, clean and care of the apparatus they wear in a collegiate mine rescue ___.	competition
___ usually contains carbon monoxide and other toxic asphyxiating gases produced by fires.	smoke
Smoke usually contains ___ and other toxic asphyxiating gases produced by fires.	carbon monoxide
Smoke usually contains carbon monoxide and other toxic ___ gases produced by fires.	asphyxiating
Smoke usually contains carbon monoxide and other toxic asphyxiating gases produced by ___.	fires
The ___ symptom of carbon monoxide poisoning is a slight tightening across the forehead and possibly a headache.	first
The first symptom of ___ poisoning is a slight tightening across the forehead and possibly a headache.	carbon monoxide
The first symptom of carbon monoxide ___ is a slight tightening across the forehead and possibly a headache.	poisoning
The first symptom of carbon monoxide poisoning is a slight ___ across the forehead and possibly a headache.	tightening
___ to two percent methane together with coal dust in air may be explosive.	one and one-half
One and one-half to ___ percent methane together with coal dust in air may be explosive.	two
One and one-half to two percent ___ together with coal dust in air may be explosive.	methane
One and one-half to two percent methane together with ___ in air may be explosive.	coal dust
One and one-half to two percent methane together with coal dust in air may be ___.	explosive
Any ___ gas can explode under certain conditions.	flammable
Any flammable gas can ___ under certain conditions.	explode
When a team ___ a body, its location and position should be marked on the mine map and on the roof or rib close to the body.	locates
When a team locates a body, its ___ and position should be marked on the mine map and on the roof or rib close to the body.	location
When a team locates a body, its location and ___ should be marked on the mine map and on the roof or rib close to the body.	position
When a team locates a body, its location and position should be marked on the mine map and on the roof or rib close to the ___.	body
When a team locates a body, its location and position should be marked on the ___ and on the roof or rib close to the body.	mine map
When a team locates a body, its location and position should be marked on the mine map and on the ___ close to the body.	roof or rib
___ causes a lack of orientation which may cause a team member to lose his/her sense of balance.	smoke
Smoke causes a lack of ___ which may cause a team member to lose his/her sense of balance.	orientation
Smoke causes a lack of orientation which may cause a team member to lose his/her sense of ___.	balance
Class ___ fires involve flammable or combustible liquids.	B
Class B fires involve ___ or combustible liquids.	flammable
Class B fires involve flammable or ___ liquids.	combustible
Class B fires involve flammable or combustible ___.	liquids
The most positive indicator of the origin of an ___ is the direction in which blocks have moved in or from stoppings across entries near intersections.	explosion
The most positive indicator of the origin of an explosion is the direction in which ___ have moved in or from stoppings across entries near intersections.	blocks
The most positive indicator of the origin of an explosion is the ___ in which blocks have moved in or from stoppings across entries near intersections.	direction
For a Class ___ fire (electrical), if power has been cut off to the burning equipment, it may be treated as a Class A or B fire.	C
For a Class C fire (___), if power has been cut off to the burning equipment, it may be treated as a Class A or B fire.	electrical
For a Class C fire (electrical), if power has been cut off to the burning ___, it may be treated as a Class A or B fire.	equipment
For a Class C fire (electrical), if power has been cut off to the ___ equipment, it may be treated as a Class A or B fire.	burning
A self-contained breathing ___ is a completely portable unit that supplies oxygen or air independently of the surrounding atmosphere.	apparatus
A self-contained breathing apparatus is a completely portable unit that ___ oxygen or air independently of the surrounding atmosphere.	supplies
A self-contained breathing apparatus is a completely portable unit that supplies oxygen or air ___ of the surrounding atmosphere.	independently
A self-contained breathing apparatus is a completely portable unit that supplies oxygen or air independently of the surrounding ___.	atmosphere
A ___ is a unit made up of individuals working toward a common goal.	team
A team is a ___ made up of individuals working toward a common goal.	unit
A team is a unit made up of ___ working toward a common goal.	individuals

Created by: tooth.fairy4

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