Download Torch Operations and Hot Work Safety and more Exams Advanced Education in PDF only on Docsity! FDNYC G60 Practice Exam (Verified 2024) All torch operators, an oxigen-fuel torch using any amount of oxigen and flamable gas and fire guards must have a current - ANSWER-Certificate of Fitness The Certificate of Fitness holder - ANSWER-must regulate the pressure and flow of oxygen and natural gas to each torch. if the torch operator for jewelry manufacture involves - ANSWER-any oxygen with any fuel gas containers, the operator must be a C of F holder. A Certificate of Fitness Holder must keep his or her certificate - ANSWER-on their person or otherwise readily available for inspection by any representative of the fire Department The easiest way to extinguish a fire caused by a leak is to - ANSWER-close the shutoff valve Permits issued by the FDNY are required to conduct the following hot work: - ANSWER- storing, using or handling oxygen and a flammable gas, storing, using or handling any flammable gas (e.g. LPG or CNG or acetylene) in excess of 400 SCF. Storing, using or handling any oxidizing gas (e.g. oxygen) in excess of 504 SCF. For LPG, 400 SCF is - ANSWER-approximately 47 lbs the number of LPG containers for the storage, use, handling or transportation, requiring a permit - ANSWER-14.1 oz = 54 cont. 16.4 oz = 46 cont. 20 lbs = 3 cont. 33.5 lbs = 2 cont. 40 lbs = 2 cont. 100 lbs = 1 cont. Portable LPG containers that are more than 16.4 oz and CNG containers with a capacity greater than 8.7 SCF - ANSWER-must NOT stored, handled, or used indoors in the following occupancies (as defined in the Building code): residential occupancies, factory and industrial occupancies; educational occupancies; institutional occupancies, except as the commissioner may authorize by rule. Site-specific permit - ANSWER-may be a permanent permit or a temporary permit. Permanent permits are valid for 12 months only A city-wide permit is valid - ANSWER-up to 30 days Permits shall be - ANSWER-readily available on the premise for inspection by Fire Department representatives. Hot work authorization should be issued by the responsible person, and it - ANSWER- must be available for inspection by any representative of the department during the performance of the work, and for 48 hours after the work is complete FDNY permits - ANSWER-will be posted in a central location and recorded in a log book to assist in the coordination of construction related activities. CNG - ANSWER-Compressed Natural Gas. For Citywide hot work operations, the Owner of the premises must be notified in writing at least _____ hours in advance prior to work beginning. - ANSWER-48 A class A fire extinguisher fights fires from - ANSWER-Paper How old must a candidate be in order to earn a Certificate of Fitness? - ANSWER-18 Years Old What type of fire is a Class B fire extinguisher used on? - ANSWER-Oil Examples of combustibles include - ANSWER-Newspaper An example of a flammable material would be - ANSWER-Gasoline Fire extinguishers must be inspected once every - ANSWER-Month A work area should be - ANSWER-Well Ventilated A type C fire involves - ANSWER-Live electrical equipment Automatic sprinkler heads should be - ANSWER-covered by a damp cloth and removed after hot work A permit is required for storing a flammable gas in excess of - ANSWER-400 scf Acetylene burns at - ANSWER-3000 degrees Fahrenheit It is dangerous to use fuel gas at pressures above - ANSWER-15 psi A fire extinguisher must be mounted - ANSWER-so that the top is not more than 5 feet off the floor To extinguish a fire - ANSWER-Always approach the fire from upwind A Certificate of Fitness Holder must keep his or her certificate - ANSWER-On their person. A Citywide permit is valid for up to - ANSWER-30 Days A hot work permit is required for - ANSWER-Welding. A spark producing tool - ANSWER-Requires a Fire Guard. To prevent injury hoses should be - ANSWER-As short as practical. The oxygen cylinder - ANSWER-is made of steel and contains 100% oxygen. A compressed gas container must - ANSWER-Not be rolled on its side. 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: 40-B:C, 30 feet. Empty compressed gas cylinders - ANSWER-Should be handled in the same manner as full ones. Panic Bar - ANSWER-A device fitted on the inside of a door that would allow a person to push against a door to open it. A type of valve typically used in sprinkler systems - ANSWER-OS & Y Valve- Outside Screw and Yoke Valve. Fire Drill - ANSWER-A training exercise by which building occupants are familiarized with and/ or practice the procedures for the safe, orderly and expeditious in-building relocation, partial evacuation or evacuation, as applicable to the occupancy or building type, in accordance with the fire safety and evacuation plan. shall not be considered a fire - ANSWER-flame used in any lawful, properly operating device, equipment or system or other controlled setting. Fire Watch - ANSWER-A temporary measure intended to ensure continuous and systematic surveillance of a building or portion thereof by one or more qualified individuals for the purposes of identifying and controlling fire hazards, detecting early signs of fire, raising an alarm of fire and notifying the department. Hot Work - ANSWER-Cutting, welding, thermit welding, brazing, soldering, grinding, thermal spraying, thawing pipe, cad welding, installation of torch-applied system, or any other similar operation or activity. Torch Applied Roof-System - ANSWER-Bituminous roofing systems using membranes that are adhered by heating with a torch and melting asphalt back coating instead of mopping hot asphalt for adhesion. Egress - ANSWER-A means of exit from a fire or other emergency. Single Action fire alarm pull station - ANSWER-requires the user to simply pull a lever or break glass to activate the alarm. This type is commonly used indoors. Double Action fire alarm pull station - ANSWER-Double Action fire alarm pull station- requires the user to take two steps in order to activate the alarm such as lifting a cover and then pulling a lever. This type of alarm is commonly used outside. All gas containers and the related equipment - ANSWER-must be protected from extreme temperature and physical damage. Any single standard portable LPG container must not exceed - ANSWER-100 lbs in weight. Any single CNG container must not exceed - ANSWER-381 SCF. Permits shall be readily available on the premise for inspection by - ANSWER-Fire Department representatives. NFPA stands for - ANSWER-National Fire Protection Association. Most common fuel gases used in blowtorches are - ANSWER-LPG (e.g. butane, propane), natural gas (methane) (either CNG or piped natural gas). A fire guard is responsible for - ANSWER-overseeing torch operations. The pre-hot work check must be conducted by - ANSWER-the responsible person before hot work is authorized and at least once per day. The check reports must be kept at the work site - ANSWER-maintained on the premises for a minimum of 48 hours after work is complete. Exhaust fans - ANSWER-may be used to draw the fumes away from the work area The workers should - ANSWER-wear flame resistant gloves and aprons and should not be worm Clothing with pockets or cuffs