FDNYC G60 PRACTICE FULL SOLUTION STUDY
GUIDE
◉ The fire guard or fire watch personnel must complete a signed
inspection report and it must be submitted to and retained by the
person in charge of the torch operations.
Answer: The report must be made available and maintained on the
premises for a minimum of 48 hours after the work is complete.
◉ Most common fuel gasses used in blowtorches are ______.
Answer: LPG (butane, propane) natural gas (methane) (either CNG
or piped natural gasses)
◉ Soldering and brazing temperatures are typically______.
Answer: 840 degrees F
◉ Oxy-acetylene generates the highest temperature which can reach
up to _____.
Answer: 6000 degrees F
◉ Gas torches can exceed _________ and are used for burning weeds,
melting ice, or applying tar to a roof.
Answer: 2000 degrees F
, ◉ If the torch operation is to stop for a period of _________________, the
torch vale must be closed and the gas supply to the torch must be
completely shut.
Answer: 1 hour or more
◉ Containers, valves, regulators, hose and other apparatus and
fittings for oxygen must be kept free of __________..
Answer: oil or grease
◉ Backfire.
Answer: this occurs when the flame of a torch goes out and there is a
loud snap or pop
◉ Flashback.
Answer: This occurs when the cutting or welding flame burns inside
the torch or the hoses and it is usually accompanied by a whistle or
hissing noise. As soon as it is noticed, the torch control valves should
be closed. This indicated there is something wrong with the
equipment, either damage or blockage
◉ A hot work area should be _____.
Answer: well ventilated
GUIDE
◉ The fire guard or fire watch personnel must complete a signed
inspection report and it must be submitted to and retained by the
person in charge of the torch operations.
Answer: The report must be made available and maintained on the
premises for a minimum of 48 hours after the work is complete.
◉ Most common fuel gasses used in blowtorches are ______.
Answer: LPG (butane, propane) natural gas (methane) (either CNG
or piped natural gasses)
◉ Soldering and brazing temperatures are typically______.
Answer: 840 degrees F
◉ Oxy-acetylene generates the highest temperature which can reach
up to _____.
Answer: 6000 degrees F
◉ Gas torches can exceed _________ and are used for burning weeds,
melting ice, or applying tar to a roof.
Answer: 2000 degrees F
, ◉ If the torch operation is to stop for a period of _________________, the
torch vale must be closed and the gas supply to the torch must be
completely shut.
Answer: 1 hour or more
◉ Containers, valves, regulators, hose and other apparatus and
fittings for oxygen must be kept free of __________..
Answer: oil or grease
◉ Backfire.
Answer: this occurs when the flame of a torch goes out and there is a
loud snap or pop
◉ Flashback.
Answer: This occurs when the cutting or welding flame burns inside
the torch or the hoses and it is usually accompanied by a whistle or
hissing noise. As soon as it is noticed, the torch control valves should
be closed. This indicated there is something wrong with the
equipment, either damage or blockage
◉ A hot work area should be _____.
Answer: well ventilated
