FEL-A TFM04
Study online at https://quizlet.com/_hw19w4
1. Can you use Flush Bushings on a Low Pressure CO2 system?: NO!
Flush Bushings shall NOT be used!
2. Where he bushings are used for one pipe size reduction a: 3000lb steel bushing shal
be provided to maintain adequate strength
3. Which kind of FITTINGS can you use for a HIGH PRESSURE CO2 system?: Class
300 malleable or ductile iron fittings shall be through 2 in internal pipe size and forged steel fittings in all larger size
4. Can you use Class 150lb Cast-iron Fittings?: NO!
5. In systems using low pressure supply pipe shall be a minimum of: Schedule 40
6. Furnace butt-weld AstmA53 pipe shall: Be permitted to be used on low pressure pipe NOT on
high pressure
7. AstmA120 and cast iron pipe shall: Not be used
8. Stainless steel shall be 304 316 for: Threaded connection
9. Low pressure carbon dioxide stored in pressure containers controlled temp
of: -18c 300 psi
10. Enclosure inspection: 12 months
11. Mechanical grooved couplings and fittings shall: Be permitted to be used only on carbon
dioxide systems
12. What does AFFF mean: Aqueous fil forming foam
13. Aceptable foam porportioners: 1.balanced pressure positive
2.Around the pump
3.in line eductors
4.Foam pump
5.Foam chamber
6 self educcting
7 coupled water pump
8 direct injection
NOT FOAM NOZZLE EDUCTOR
14. Hydricarbon fuel cleanup?: FFFP. all of the above
15. what does 3% mean in Afff: 3% foam is used
16. Where shall co2 signs not be: at the exits
1/3
Study online at https://quizlet.com/_hw19w4
1. Can you use Flush Bushings on a Low Pressure CO2 system?: NO!
Flush Bushings shall NOT be used!
2. Where he bushings are used for one pipe size reduction a: 3000lb steel bushing shal
be provided to maintain adequate strength
3. Which kind of FITTINGS can you use for a HIGH PRESSURE CO2 system?: Class
300 malleable or ductile iron fittings shall be through 2 in internal pipe size and forged steel fittings in all larger size
4. Can you use Class 150lb Cast-iron Fittings?: NO!
5. In systems using low pressure supply pipe shall be a minimum of: Schedule 40
6. Furnace butt-weld AstmA53 pipe shall: Be permitted to be used on low pressure pipe NOT on
high pressure
7. AstmA120 and cast iron pipe shall: Not be used
8. Stainless steel shall be 304 316 for: Threaded connection
9. Low pressure carbon dioxide stored in pressure containers controlled temp
of: -18c 300 psi
10. Enclosure inspection: 12 months
11. Mechanical grooved couplings and fittings shall: Be permitted to be used only on carbon
dioxide systems
12. What does AFFF mean: Aqueous fil forming foam
13. Aceptable foam porportioners: 1.balanced pressure positive
2.Around the pump
3.in line eductors
4.Foam pump
5.Foam chamber
6 self educcting
7 coupled water pump
8 direct injection
NOT FOAM NOZZLE EDUCTOR
14. Hydricarbon fuel cleanup?: FFFP. all of the above
15. what does 3% mean in Afff: 3% foam is used
16. Where shall co2 signs not be: at the exits
1/3
