Download FDNYC G60 Practice Exam: Roofing Operations and Fire Safety and more Exams Safety and Fire Engineering in PDF only on Docsity!
FDNYC G60 PRACTICE EXAM UPDATED
CORRECT ANSWERS
"For ROOFING OPERATIONS, a portable fire extinguisher with a minimum rating of ______ is
required - CORRECT ANSWER 3-A:40-B:C"
"Fire watch on floors below is ______ - CORRECT ANSWER required"
"The fire watch must continue for a minimum of ____ minutes after the hot work is done -
CORRECT 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. - CORRECT ANSWER 30 min///1 hour"
"Oxy-acetylene generates the highest temperature which can reach up to _____ - CORRECT
ANSWER 6000 degrees F"
"Gas torches can exceed _________ and are used for burning weeds, melting ice, or applying tar
to a roof - CORRECT 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 - CORRECT ANSWER 1 hour or
more" "Containers, valves, regulators, hose and other apparatus and fittings for oxygen must be kept
free of __________. - CORRECT ANSWER oil or grease"
"A hot work area should be _____ - CORRECT ANSWER well ventilated"
"Whoever is working with hot work equipment CANNOT wear _____________ since it is
susceptible to burning and ignition - CORRECT ANSWER frayed clothing"
"Empty containers must be __________ - CORRECT ANSWER handled in the same manner as
full ones"
"Gas containers must be replaced when empty. - CORRECT ANSWER It is ILLEGAL to refill gas
container"
"The control valve of any gas container must be _______ - CORRECT ANSWER opened by
hand"
"Acetylene valves shall not be opened more than ______ - CORRECT ANSWER 1 ½ turns"
"Hoses must be as _______ protecting from mechanical injury - CORRECT ANSWER short as
practical"
"No hose is allowed to exceed ____feet - CORRECT ANSWER 30"
"Fuel gas or oxygen containers in storage must be separated from any combustible materials by a
minimum distance of _____ - CORRECT ANSWER 20 feet"
"Oxidizing gasses shall NOT be stored or used or come in contact with _______ - CORRECT
ANSWER oil, grease or other petroleum bases"
"A permit is required for any storage area storing any flammable gas in excess of ____ or any
oxygen in excess of ____ - CORRECT ANSWER 400 SCF///504 SCF"
"Copper tubing should NEVER ______ - CORRECT ANSWER be used to splice the acetylene
hose because the copper with react with the acetylene and it can cause an explosion"
"NEVER set the regulator for LPG above ____ as the acetylene will decompose explosively -
CORRECT ANSWER 15 PSI"
"CNG is mainly composed of ____ - CORRECT ANSWER Methane"
"Any single CNG container MUST NOT exceed ______ - CORRECT ANSWER 381 SCF"
"Most common fuel gasses used in blowtorches are ______ - CORRECT ANSWER LPG (butane,
propane) natural gas (methane) (either CNG or piped natural gasses)"
"Soldering and brazing temperatures are typically______ - CORRECT ANSWER 840 degrees F"
"Backfire - CORRECT ANSWER this occurs when the flame of a torch goes out and there is a
loud snap or pop"
"Flashback - CORRECT 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"
"All gas containers, whether CNG or LPG, must be secured in an __________ - CORRECT
ANSWER upright position and must not be stacked or stored on shelves"
"All gas containers and related equipment must be _________ - CORRECT ANSWER protected
from extreme temperature and physical damage"
"The purpose of a regulator is to ________ - CORRECT ANSWER control the flow of gas and
lower the pressure from the container to the appliance. It also acts like a safely barrier between the high pressure of the gas container and the end use appliance"
"A compressed gas container MUST NOT ________ - CORRECT ANSWER be rolled on its side
or its rim, only by approved lifting equipment"
"Ropes, chains or slings shall NOT be used to ________ - CORRECT ANSWER suspend
compressed gas containers unless such containers have been designed for such handling"
"CNG and LPG containers must be located _______ - CORRECT ANSWER away from electric
power lines, piping containing flammable or combustible liquids, piping containing flammable gasses, and piping containing oxidizing materials"
"Examples of LPG - CORRECT ANSWER Propane, propylene, butane, and butylene"
"Most commonly used LPG is ____ - CORRECT ANSWER butane and propane"
"LPG is most commonly referred to as _____ - CORRECT ANSWER bottled gas"
"LPG is naturally _______ - CORRECT ANSWER colorless and odorless"
"LPG is heavier than _____ - CORRECT ANSWER air"
"LPG containers must be tested by DOT approved vendors every _______ - CORRECT ANSWER
5 years"
"LPG containers can be a maximum weight of _____ - CORRECT ANSWER 100 pounds"
"LPG must be only used in _________, not underground - CORRECT ANSWER well ventilated
areas"
"LPG containers with a weight of _______ shall be provided with transportation plugs -
CORRECT ANSWER 20 pounds"
