Correct Answers 2026-2027 Updated.
G-60 - Answer Use of oxygen and flammable gasses, or LPG or CNG for any hot work
COF exception - Answer Torch operations for jewelry
FDNY permit - Answer Storing using or handling
oxygen and flammable gas
in excess of 400scf (LPG, CNG or scetylene)
oxidizing gass in excess of 504scf
Portable LPG must not be stored when the capacity of the container is greater than? - Answer
16.4 oz
Portable CNG containers must not be stored then the capacity is greater than? - Answer 8.7
SCF
Single standard portable LPG containers must not exceed? - Answer 100LBs in weight
Single CNG containers must not exceed? - Answer 381 SCF
LPG
400 SCF is approximately - Answer 47 lbs
Types of FDNY permits - Answer Site specific permits
City wide permits
Transportation permits
Site specific permit can be? - Answer Can be permenant or temperary
,Permanent permits are valid for how long? - Answer 12 months only.
Permits and renewals require inspection and will expire adter twelve months.
Temporary permits may be valid from? - Answer One day to 12 months depending on the
construction or operations needed.
City wise permit duration? - Answer 30 days
Hazards out end of day
Quantity of hazardous material being stored(maximum)? - Answer 5 gals gasoline
250 gals of flammable
300 gals combustible liquid
Transportation permit - Answer FDNY approved inspected displayed on vehicle
Hot work authorization. - Answer Required for any project with hot work operation but not
issued by the FDNY
Responsible person - Answer Must be available for inspection by any representative of fire
department during and 48 hours after the work is complete.
Fire guard - Answer Cof holder who is trained in and responsible for maintaijjng a fire watch.
Fire watch - Answer Survailance of an area
Detect signs of early fire
Raise alarms
Notify department
Pre hot work check must be conducted by the responsible person before hot work is authorized
at least? - Answer Once per day
Pre hot work check daily and must very the following - Answer Equipment working in order
,Hot work is clear of combistibles and flammable solids
Combustible and non combustible are protected
Fire watch personel are assigned
Fire extinguisher available
Fire watch - Answer A fire watch must be maintained during any hot work operation.
The person conducting a fire watch shall - Answer Not have other duties
Fire watch
At least one portable fire extinguisher with a - Answer Minimum 2-A:20-B:C rating shall be
accessible within 30ft from hot work
Fire watch
Exception roofing operating fire extinguisher - Answer 3-A 40-B:C
Fire watch for torch operations conducted at following locations by a F-60 fire guard: - Answer
Construction sites
Buildings and structures
Rooftops
Fire watch must continue for - Answer 30 minutes after the conclusing of the work.
Time and record keeping requirements
CNG or LPG torch operations inspections - Answer First shall be conducted 30minute after
completion
Second inspection 1 hour after completion
, The inspection report must be available - Answer 48 hours after work is complete for fire
department representative to look over.
Oxygen cylinder is made of - Answer Steel and contains 100% oxygen
Oxy propane degrees - Answer 1,500 degrees
Acetylene degrees - Answer 3000 degrees
Oxy-acetylene degrees - Answer 6000 degrees
Brazing and soldering temperatures - Answer Typically 840 degrees
Oxy-fuel torch
Oxygen storage pressures up to - Answer 2200 PSI (pounds per square inch)
Oxy-fuel torch
Dangerous fuel gas pressures - Answer Above 15 psi especially for acetylene
Gas torches also have applications and additions like - Answer For burning weeds
Melting ice
Applying tar/asphalt
Backfire - Answer Flame on torch goes out unexpectedly
A loud snap or pop may occur when the flame goes out.
Flashback - Answer Cutting or welding flame burns inside the torch or the hoses. It is usually
accompanied by a whistling or hissing noise.
Frayed clothing - Answer Susceptible to ignition and burning, should not be worn.