TFM04 CERTIFICATION EVALUATION
ACCURATE QUESTIONS GRADED A PLUS
●● Where he bushings are used for one pipe size reduction a
Answer: 3000lb steel bushing shall be provided to maintain adequate
strength
●● Which kind of FITTINGS can you use for a HIGH PRESSURE CO2
system?
Answer: Class 300 malleable or ductile iron fittings shall be through 2 in
internal pipe size and forged steel fittings in all larger size
●● Can you use Class 150lb Cast-iron Fittings?
Answer: NO!
●● In systems using low pressure supply pipe shall be a minimum of
Answer: Schedule 40
●● Furnace butt-weld AstmA53 pipe shall
Answer: Be permitted to be used on low pressure pipe NOT on high
pressure
●● AstmA120 and cast iron pipe shall
, Answer: Not be used
●● Stainless steel shall be 304 316 for
Answer: Threaded connection
●● Low pressure carbon dioxide stored in pressure containers controlled
temp of
Answer: -18c 300 psi
●● Enclosure inspection
Answer: 12 months
●● Mechanical grooved couplings and fittings shall
Answer: Be permitted to be used only on carbon dioxide systems
●● What does AFFF mean
Answer: Aqueous fil forming foam
●● Aceptable foam porportioners
Answer: 1.balanced pressure positive
2.Around the pump
3.in line eductors
ACCURATE QUESTIONS GRADED A PLUS
●● Where he bushings are used for one pipe size reduction a
Answer: 3000lb steel bushing shall be provided to maintain adequate
strength
●● Which kind of FITTINGS can you use for a HIGH PRESSURE CO2
system?
Answer: Class 300 malleable or ductile iron fittings shall be through 2 in
internal pipe size and forged steel fittings in all larger size
●● Can you use Class 150lb Cast-iron Fittings?
Answer: NO!
●● In systems using low pressure supply pipe shall be a minimum of
Answer: Schedule 40
●● Furnace butt-weld AstmA53 pipe shall
Answer: Be permitted to be used on low pressure pipe NOT on high
pressure
●● AstmA120 and cast iron pipe shall
, Answer: Not be used
●● Stainless steel shall be 304 316 for
Answer: Threaded connection
●● Low pressure carbon dioxide stored in pressure containers controlled
temp of
Answer: -18c 300 psi
●● Enclosure inspection
Answer: 12 months
●● Mechanical grooved couplings and fittings shall
Answer: Be permitted to be used only on carbon dioxide systems
●● What does AFFF mean
Answer: Aqueous fil forming foam
●● Aceptable foam porportioners
Answer: 1.balanced pressure positive
2.Around the pump
3.in line eductors
