Plans Examiner

Plans Examiner 2023 Complete Basically, there are ____ types of foam fire extinguishing systems. Ans- 5 A foam fire-extinguishing system must have an adequate water supply, foam concentrate supply, piping system, ________ and form discharge devices. Ans- proportioning equipment Where topside application of foam may not be effective because of wind or heavy fire conditions, a ______ may be used. Ans- subsurface injection system High expansion foam is designed for local application or total flooding in _____ applications. Anscommercial and industrial A device that introduces the correct amount of foam concentrate into the water stream to make the foam solution is a(n): Ans- foam proportioners Which of the following is not necessary to produce a high-quality fire fighting foam? Ans- fog nozzle Halon ____ is more commonly found in fixed fire extinguishing systems for total flooding application. Ans- 1301 Using a foam proportioner that is not _______ and matched with the foam distributor nozzle or sprinkler can result in unsatisfactory quality foam or no finished foam. Ans- hydraulically engineered Finished foam is ____ percent water. Ans- 94 to 99.5 A fluorinated surfactant added to detergent foam that causes water to drain from the foam blanket and float on top of hydrocarbon fuel spills is called a(n): Ans- aqueous film Which of the following is a synthetic based foam; when applied to polar solvent fuels, creates a membrane rather than a film over the fuel? Ans- AR-AFFF Which of the following is not a foam proportioner commonly used for fixed systems? Ans- pressure bypass system proportioner A coupled water motor-pump proportioner consists of two positive displacement _____ pumps that are mounted on a common shaft. Ans- rotary gear A _____ supplies water and foam at the same pressure to ensure the creation of high-quality foam. Ansbalanced foam proportioner Around the pump proportioners have a bypass line "around the pump" that is responsible for adding _____ to the discharge stream. Ans- foam concentrate Inspection, service and testing of foam fire-extinguishing systems shall meet the requirement outline in NFPA: Ans- 25 Individual hazards involving flammable liquids with depth are often protected by: Ans- fixed extinguishing systems Which of the following are part of a means of egress? a) exit access, exit, and exit discharge b) exit, exit access, and enclosed hallway c) exit discharge, passage way, and ramp d) escalator, fire escape, and stairs Ans- a When panic hardware is required, occupants should be able to open the door by applying a force of not more than ____ pounds. Ans- 15 When illumination of exits is required, it must be continuous during occupancy and floors must be illuminated at not less than 1 foot candle measure at the: Ans- floor When two or more exits is required, they shall be located: Ans- remote from each other The rating required for a fire door in an exit stairway is determined by all of the following except the: Ans- occupant load When determining the capacity of an exit, it is necessary to compute the exit _____ for each of the three components for a means of egress, the exit access, _____ and the exit discharge. The ____ of the ____ components is the total capacity of the exit. 1. capacity 4. access 2. smallest 5. the exit 3. three 6. four Ans- 1523 The ____ is that portion of a means of egress that is between the end of an exit and a/an ________. 1. exit discharge 2. public way 3. start 4. exit door Ans- 12 The primary problem with external fire escape stairs is: Ans- maintenance In addition to determining how many people may occupy a building, an inspector must determine the number of exits. This is part of the: Ans- means of egress Exit signs must be located so that no point in the exit access is more than ____ from the nearest visible sign. The letter on exit signs must be at least _____ high and the stroke of the letter must be _______ wide. The use of ______ exit signs is based on the observation that the area near the ____ is the first to be obscured by smoke. 1. 100 ft 5. one 2. 3/4 in 6. 1 ft candle 3. ceiling 7. day time 4. performances 8. ceiling Ans- 14253 When illumination is required, it must be continuous during occupancy and must be a minimum of _____ foot candle measured at the _______. Ans- one, floor A reduction to ______ foot candle is permitted in auditoriums, theaters, concert halls, and other places of assembly during ______. Ans- one fifth, performances Emergency lighting is required to provide a minimum of ______ measured at the floor when normal lighting is ______. Ans- 1 foot candle, interrupted In a new mercantile occupancy, which of the following is not allowed as part of a means of egress component? Ans- escalators The components of a means of egress include: Ans- exit discharge and the exit Exit stairways must be at least _____ inches wide, unless the total occupant load of all the floors served by the stairways is less than 50. In this case, stairways may be _______ inches wide. Ans- 44, 36 The four main views of working drawings are? Ans- plan, elevation, sectional, and detailed portion of the means of egress between the termination of an exit and the public way is an: Ans- exit discharge A(n) _______ provides a means of egress from one building to an area of refuge in another building on approximately the same level. Ans- horizontal exit The reason detailed view drawings are submitted with construction drawings is to: Ans- show features in a large scale so additional information can be included The maximum allowed length for a dead end corridor is: Ans- 20 feet Cooking equipment must have a clearance of at least ____ inches to any combustible material. Ans- 18 In order for fire inspectors to be effective, they should know: Ans- the hazards involving equipment and processes found in their jurisdiction There are inherent hazards associated with dip tanks; therefore, dip tank operations: Ans- should never be placed in a basement Static charges may be generated by all of the following except: a) belts in motion b) magnetic fields c) moving vehicles d) the explosion potential Ans- b A common hazard associated with central heating appliances, unit heaters, and room heaters is: Ansproximity of installation to combustibles Filling, discharge, and vapor recovery connections for underground storage tanks that are made and broken for Class I, II, and III-A liquids must be at least _______ feet from the nearest building openings and sources of ignition. Ans- 5 Loading and unloading stations for Class I liquids should be no closer than ___ feet from storage tanks, property lines, or adjacent buildings. Ans- 25 The vents used for underground storage tanks should have at least a ____ inch nominal inside diameter. Ans- 1 1/4 ______ applies to the installation of an air conditioning and ventilating system. Ans- ANSI To prevent accidental ignition of combustible material in a welding shop, which of the following actions should be followed? Ans- shop rags should be stored in metal containers When inspecting a kitchen hood and duct, an inspector should pay attention to all of the following, except: a. cleanliness of duct work b. aim of nozzles c. hours of operation d. pressure gauge of extinguishment agent Ans- c Oily rags or cloths that have been contaminated with vegetable oils and disposed of improperly may: Ans- ignite through spontaneous combustion Which of the following would not be of particular concern at semiconductor manufacturing facilities? a. general office areas b. clean rooms c. HPM storage areas d. hazardous production processes Ans- a Generally, HPMs may be stored within the work area, within the manufacturing building itself, or: Ansoutside Rooms designed specifically for storing HPMs must have a ____ separation from the rest of the facility and at least one wall must be a(n) ___ wall. Ans- 2 hour, exterior Rooms where HPMs are stored must have appropriate _____ protection features in place. Ansexplosion A portable fire extinguisher, rated at _____ must be located within _____ of a tar kettle. Ans- 40 BC, 25 feet The primary fire hazard associated with oxy-fuel gas equipment is the storage of the oxygen and _____ gases in cylinders. Ans- fuel Thermal cutting operations involving using a ____ to melt the metal and cut it apart. Ans- heat source The oxy-fuel gas cutting process depends on the combustion of oxygen and acetylene to produce an intense heat, approximately: Ans- 5612 F The model codes, in many cases will reference the information in the NFPA ______ for Flammable and Combustible Liquids Code. Ans- 30 Operations that are designed to immerse metals in a medium and then remove them in an automated assembly line are called: Ans- quenching A quenching oil should never be allowed to get within ______ F of its flash point. Ans- 50 All the aspects of quenching operations must be electronically grounded in accordance with NFPA _____ "Recommended Practice on Static Electricity." Ans- 77 During dry cleaning operations, the primary hazard is the presence of all the elements necessary for ____ fires: fuels, ignition sources and oxygen. Ans- uncontrolled Dry cleaning plants are classified by the type of _____ used in the process. Ans- solvents A cleaning solvent liquid having a flash point at or above 200 F requires a classification of: Ans- Type III B For a dust explosion to occur, four conditions must be met simultaneously. Which of the following is not one of those conditions? a. The dust must be within its explosive range b. The dust must be exposed to the ambient environment c. The combustible dust must be suspended in the ai