Oregon boilers exam
Doubling the pipe size increases the pipe capacity by - Answer- 4 times
What is the purpose of post weld heat-treating steel pipe? - Answer- A- prevent over stressing of the weld.
In ASTM A-53F pipe what does the letter F designate? - Answer- Furnace butt weld pipe
What is the max weld reinforcement allowed by ASME B31.1 - Answer- 1/8 times the width of the weld.
What is the max weld undercut allowed by ASME B31.1 - Answer- 1/32 of an inch
ASTM A-120 pipe may be used interchangeably with ASTM A 53-B for steam service - Answer- False
As an alternative to hydrostatic testing boiler external piping may be pneumatically tested? - Answer- True
Seal welding of pipe joints can be considered for strength calculations - Answer- False
NPS 2 1/2" pipe should have how many threads per inch? - Answer- 8 threads per in h
Tack welds to remain in the joint may be left as welded - Answer- True
High pressure boiler bottom blow-down piping between the boiler and the required valve
is - Answer- Boiler external piping under ASME B31.1
Steam piping system must have a safety valve after each pressure reducer. - Answer- True
To determine the pressure of column of water, multiply by - Answer- .433
What provides all the information needed to make sound welds for ASME CODE SERVICE - Answer- The employers qualified spec
A mixture of oil and oxygen under pressure will most likely. - Answer- All of the above- explode, cause a fire, ruin your day
Doubling the pipe size increases the pipe capacity by - Answer- 4 times
What is the purpose of post weld heat-treating steel pipe? - Answer- A- prevent over stressing of the weld.
In ASTM A-53F pipe what does the letter F designate? - Answer- Furnace butt weld pipe
What is the max weld reinforcement allowed by ASME B31.1 - Answer- 1/8 times the width of the weld.
What is the max weld undercut allowed by ASME B31.1 - Answer- 1/32 of an inch
ASTM A-120 pipe may be used interchangeably with ASTM A 53-B for steam service - Answer- False
As an alternative to hydrostatic testing boiler external piping may be pneumatically tested? - Answer- True
Seal welding of pipe joints can be considered for strength calculations - Answer- False
NPS 2 1/2" pipe should have how many threads per inch? - Answer- 8 threads per in h
Tack welds to remain in the joint may be left as welded - Answer- True
High pressure boiler bottom blow-down piping between the boiler and the required valve
is - Answer- Boiler external piping under ASME B31.1
Steam piping system must have a safety valve after each pressure reducer. - Answer- True
To determine the pressure of column of water, multiply by - Answer- .433
What provides all the information needed to make sound welds for ASME CODE SERVICE - Answer- The employers qualified spec
A mixture of oil and oxygen under pressure will most likely. - Answer- All of the above- explode, cause a fire, ruin your day
