QUESTIONS WITH DETAILED VERIFIED ANSWERS (100%
CORRECT ANSWERS) /ALREADY GRADED A+
Sprinkler system must NOT be shut off or impaired while hot work is performed -
ANSWER: Place damp cloth guards on individual sprinkler heads
The person conducting the fire watch ______ have other duties - ANSWER: CANNOT
A portable fire extinguisher with a rating of _________ is required and should be
within ____ feet travel distance hot work area - ANSWER: 2-A:20-B:C///30
For ROOFING OPERATIONS, a portable fire extinguisher with a minimum rating of
______ is required - ANSWER: 3-A:40-B:C
Fire watch on floors below is ______ - ANSWER: required
The fire watch must continue for a minimum of ____ minutes after the hot work is
done - ANSWER: 30
For any CNG or LPG torch operations, the first inspection shall be conducted ___
minutes after completion. The second inspection shall be conducted _______ after
completion of torch operations. - ANSWER: 30 min///1 hour
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