Gases
Nerve damage may result from exposure and Arsine (AsH3) is classified as a potential carcinogen. Arsine is also explosive in a range of ____ in normal air.
5.1% - 78%
Page 97
The First Aid kit carried by mine rescue teams contains _______ triangular bandages.
10
(page 311)
At a breathing rate of 30 L/min and an ambient temperature of 24 C (75 F), the cooler can maintain a breathing air temperature below _____ C (____ F) for up to four hours.
37 C (98 F)
Page 131
A fire is cooled and extinguished best by ____________.
A high steam atmosphere
Page 299
Arcing cable or equipment must be de-energized as soon as possible. Permission from the __________ is not required.
Captain
Page 257
STEL is the maximum airborne concentration of a biological or chemical agent to which a worker may be exposed, in any 15-minute period, no more than _______ times during a ______ hour work shift, with a least ______ between exposures.
4, 8, 1
Page 71
Weakness, hot, dry skin, body temperature over 41C are symptoms of ______________.
Heat Stroke
Page 320
The BG4 oxygen cylinder has a volume of _______ litres and is available in high-grade alloy-steel or carbon composite construction.
2
Page 125
Pyrolysis-related explosions can occur with as little as ______ per cent O2.
5.5% (page 300)
To support mine rescue volunteers, ____________ are trained in Critical Incident Stress Management, and have access to specialists should the need arise for greater expertise.
Mine Rescue Officers
Page 324
Methane is explosive in the range of 5 to 15% volume or 50,000 to 150,000 ppm, 0.5% vol CH4 is equal to _____% LEL.
10%
Page 72
No one should use the KED without proper training and with at least one other trained mine rescue volunteer available to assist, straps should be applied in which order.
Middle, Bottom, Legs, Head, Top
Page 309
A BG4 with a cylinder pressure of 100 bar would contain 200 litres of O2. At 0.5 litres per minute, 200 litres would provide O2 for the user for ___ minutes or ____ hours.
400 minutes or 6.5 hours
Page 267
The rubber liner of some tires will begin to pyrolyze or decompose at about _____o C (_____o F).
185 C (365 F)
Page 301
Entrapment Procedure - The ___________________ will remain under oxygen for the first rotation of the procedure to check team members’ alertness and observe breathing bags.
Captain
Page 268
The MX6 iBrid Multi-Gas Monitor is a sturdy, hand-held device capable of effectively monitoring gas concentrations in the air in a temperature range of __________ C.
-20 to 55 C
Page 105
When the relative humidity exceeds _____ per cent, the air has a limited ability to absorb moisture and cooling is minimal.
70%
Page 319
The minimum valve is activated when the breathing loop pressure drops to between ___________ mbar.
0.1 - 2.5
Page 126
Pressures at the time of pyrolysis explosions are in the order of _____ psi (______ bar).
1000 psi (69 bar)
(pg300)
In the event of a mine emergency unrelated to fire or contamination of the working ventilation, multiple teams of as few as _____ individuals may be formed and deployed but must be backed up by an equivalent number of standby responder teams.
2
Page 62
Phosphine is a toxic, colourless gas with a _____ or _____ odour. Phosphorus compounds may be used as flame retardants in fabrics, plastic, or rubbers. Smoldering, oxygen-starved fires involving these materials may produce PH3.
Fishy or garlic
Page 97
The increased blood flow to the skin, as much as ____% of the cardiac output, and a rising body temperature causes blood flow to internal organs to decrease.
25%
Page 319
The exhalation hose is connected to the scrubber canister with a _________.
Short connector
Page 129
Pyrolysis explosions have occurred when as little as _____ grams (_____ oz) of rubber have been pyrolyzed.
20 grams (0.7 oz)
(page 301)
The Hurst SP 310E2 Spreader has a maximum spreading force of 72,000 lb (324 Kn), and a maximum pulling force of 9,900 lb (44 Kn). The SP 310E2 has a maximum spread of 28.5 in (725 mm). It weighs _______ lb (______ kg). The spreader can be used to spread open, pinch, or pull open objects.
52.7, 23.9
Page 159