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An area exposed to sparks, hot slag, radiant heat, or convective
heat as a result
of welding is called a - ANSWER -Hot
work area.
Fuel gas or oxygen containers in storage must be separated
from any combustible materials by a minimum distance of -
ANSWER -20 feet.
Most fires are the result of - ANSWER -Sparks.
Sparks and pieces of hot metal are the source of ignition in
about______ of fires
in industrial occupancies. -
ANSWER -60.
Under no circumstances can hot work be performed
within _____ feet of
flammable or explosive materials. -
ANSWER -35.
,If torch operation is to be discontinued for a period of
___________, the torch valve must be closed and the gas
supply to the torch must be completely shut. - ANSWER -One
hour or more.
A torch should be ignited by using a - ANSWER -Friction
device.
Why should oil or grease not be used near oxygen? - ANSWER
-It might cause
an
explosion.
How long is a site permanent specific permit to store flammable
gases valid for?
- ANSWER -30
days
How many Fire Guards are required on a job site that has 3
torches in operation? - ANSWER -One per torch and additional
one stationed on the floor below.
Portable LPG containers greater than ______ must not be
stored in residential
occupancies. - ANSWER -
16.4 oz.
An oxygen cylinder may store gas at pressure up to - ANSWER
-2200 psi.
, A Responsible Person is one who is - ANSWER -trained in the
fire safety hazards associated with hot work, and in the
necessary and appropriate measures to minimize those
hazards, who is designated by the owner of a premises to
authorize the performance of hot work at the premises.
A designated Hot Work area must be at least_______
feet away from
combustible materials. -
ANSWER -35.
For all Hot Work, inspections must be completed_______ after
completion of
torch operations. - ANSWER -30
minutes.
A minimum ___________ rating Fire Extinguisher must be
readily accessible
within ________ of the hot work location for torch operations.
- ANSWER -2-
A:20-B:C, 30
feet.
For a Torch-applied Roof System, a minimum ___________
rating Fire Extinguisher must be readily accessible within
________. - ANSWER -3-A: 40B:C, 30 feet.