G-60 Practice Test Questions and Answers 100% Pass

G-60 Practice Test Questions and Answers 100% Pass A compressed gas container MUST NOT ________ - ANSWER be rolled on its side or its rim, only by approved lifting equipment Ropes, chains or slings shall NOT be used to ________ - ANSWER suspend compressed gas containers unless such containers have been designed for such handling CNG and LPG containers must be located _______ - ANSWER away from electric power lines, piping containing flammable or combustible liquids, piping containing flammable gasses, and piping containing oxidizing materials Fuel gas or oxygen containers in storage must be separated from any combustible materials by a minimum distance of _____ - ANSWER 20 feet Oxidizing gasses shall NOT be stored or used or come in contact with _______ - 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 ____ - ANSWER 400 SCF///504 SCF Copper tubing should NEVER ______ - 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 - ANSWER 15 PSI Examples of LPG - ANSWER Propane, propylene, butane, and butylene Most commonly used LPG is ____ - ANSWER butane and propane LPG is most commonly referred to as _____ - ANSWER bottled gas LPG is naturally _______ - ANSWER colorless and odorless LPG is heavier than _____ - ANSWER air LPG containers must be tested by DOT approved vendors every _______ - ANSWER 5 years LPG containers can be a maximum weight of _____ - ANSWER 100 pounds LPG must be only used in _________, not underground - ANSWER well ventilated areas LPG containers with a weight of _______ shall be provided with transportation plugs - ANSWER 20 pounds CNG is mainly composed of ____ - ANSWER Methane Any single CNG container MUST NOT exceed ______ - ANSWER 381 SCF The C of F holder MUST NOT _______ - ANSWER attempt to do any repairs, but only take the equipment out of service Always check leaks with _______ - ANSWER SOAP AND WATER 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 Backfire - ANSWER this occurs when the flame of a torch goes out and there is a loud snap or pop Flashback - 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 _____ - ANSWER well ventilated Whoever is working with hot work equipment CANNOT wear _____________ since it is susceptible to burning and ignition - ANSWER frayed clothing Empty containers must be __________ - ANSWER handled in the same manner as full ones Gas containers must be replaced when empty. - ANSWER It is ILLEGAL to refill gas container All gas containers, whether CNG or LPG, must be secured in an __________ - ANSWER upright position and must not be stacked or stored on shelves All gas containers and related equipment must be _________ - ANSWER protected from extreme temperature and physical damage The control valve of any gas container must be _______ - ANSWER opened by hand Acetylene valves shall not be opened more than ______ - ANSWER 1 ½ turns The purpose of a regulator is to ________ - 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 - ANSWER short as practical No hose is allowed to exceed ____feet - ANSWER 30 PASS - ANSWER Pull, Aim, Squeeze, Sweep