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A comprehensive set of practice questions and answers related to hot work safety and gas handling procedures, specifically focusing on the fdnyc g60 regulations. It covers essential topics such as fire watch requirements, extinguisher ratings, gas container handling, and safety precautions for various torch operations. Valuable for individuals seeking to understand and prepare for the fdnyc g60 exam.
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Sprinkler system must NOT be shut off or impaired while hot work is performed - correct answer Place damp cloth guards on individual sprinkler heads The person conducting the fire watch ______ have other duties - correct answer CANNOT A portable fire extinguisher with a rating of _________ is required and should be within ____ feet travel distance hot work area - correct answer 2-A:20-B:C/// 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 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. - correct 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 ______ - 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 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
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 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 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 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 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 Hoses must be as _______ protecting from mechanical injury - correct answer short as practical No hose is allowed to exceed ____feet - correct answer 30 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
Always check leaks with _______ - correct answer SOAP AND WATER PASS - correct answer Pull, Aim, Squeeze, Sweep NO fire extinguisher is allowed to be ______ - correct answer placed on the floor Always approach a fire from a _______ - correct answer upwind direction Class A = Class B = Class C = Class D = Class K = - correct answer combustible materials (paper, cardboard) Flammables (oil, kerosene) Electrical equipment Combustible metals Cooking stuff Fire extinguishers are to be inspected and checked _______ - correct answer monthly