- 업종: Fire safety
- Number of terms: 98780
- Number of blossaries: 0
- Company Profile:
Established in 1896, NFPA's mission is to reduce the worldwide burden of fire and other hazards on the quality of life by providing and advocating consensus codes and standards, research, training, and education.
A room heater with an outer jacket surrounding the heat exchanger, arranged with openings at top and bottom so that air circulates between the heat exchanger and the outer jacket.
Industry:Fire safety
A room heater designed to transfer heat primarily by direct radiation.
Industry:Fire safety
A room having a volume equal to at least 12 times the total volume of a furnace and at least 16 times the total volume of a boiler. The total volume of the furnace or boiler is determined from the exterior dimensions and is to include a fan compartment and burner vestibule, where used. Where the actual ceiling height of a room is greater than 8 ft (2. 44 m), the volume of the room is to be figured on the basis of a ceiling height of 8 ft (2. 44 m).
Industry:Fire safety
A roofed or covered common pedestrian area within a mall building that serves as access for two or more tenants and does not exceed three levels that are open to each other.
Industry:Fire safety
A rocket vehicle that (1) is propelled by one or more high power rocket motors; or (2) is propelled by a combination of model rocket motors having an installed total impulse of more than 320 N-sec (71. 9 lb-sec); or (3) is propelled by a combination of model rocket motors having more than a total of 125 g (4. 4 oz) of propellant weight; or (4) weighs more than 1500 g (53 oz) with motor(s) installed.
Industry:Fire safety
A rocket that (1) weighs no more than 1500 g (53 oz) with motors installed; and (2) is propelled by one or more model rocket motors having an installed total impulse of no more than 320 N-sec (71. 9 lb-sec); and (3) contains no more than a total of 125 g (4. 4 oz) of propellant weight.
Industry:Fire safety
A rocket motor in which one or more of the fuels exist in a physical state (solid, liquid, or gaseous) different than the oxidizer and that derives its force or thrust from the combination thereof.
Industry:Fire safety
A rocket motor that has more than 160 N-sec (36 lb-sec) but no more than 40,960 N-sec (9208 lb-sec) of total impulse, or that produces an average thrust of greater than 80 N (18 lbf), or that contains greater than 62. 5 g (2. 2 oz) of propellant.
Industry:Fire safety
A rocket motor that has been designed and manufactured so that the user can load, reload, and reuse the pressure-containing body or casing using the parts and components of a motor-reloading kit.
Industry:Fire safety
A rocket motor that has a total impulse of no greater than 160 N-sec (36 lb-sec), an average thrust of no greater than 80 N (18 lbf), and a propellant weight of no greater than 62. 5 g (2. 2 oz), and that otherwise meets the other requirements set forth in NFPA 1125, CodefortheManufactureofModelRocketandHighPowerRocketMotors.
Industry:Fire safety
