Oregon boilers Exam Ques ons and answers Newest
RATED A+ 2025/2026 NEW!!
Doubling the pipe size increases the pipe capacity by - CORRECT ANSWERS 4 mes
What is the purpose of post weld heat-trea ng steel pipe? - CORRECT ANSWERS A- prevent
over stressing of the weld.
In ASTM A-53F pipe what does the le,er F designate? - CORRECT ANSWERS Furnace bu, weld
pipe
What is the max weld reinforcement allowed by ASME B31.1 - CORRECT ANSWERS 1/8 mes
the width of the weld.
What is the max weld undercut allowed by ASME B31.1 - CORRECT ANSWERS 1/32 of an inch
ASTM A-120 pipe may be used interchangeably with ASTM A 53-B for steam service - CORRECT
ANSWERS False
As an alterna ve to hydrosta c tes ng boiler external piping may be pneuma cally tested? -
CORRECT ANSWERS True
Seal welding of pipe joints can be considered for strength calcula ons - CORRECT ANSWERS
False
NPS 2 1/2" pipe should have how many threads per inch? - CORRECT ANSWERS 8 threads per
in h
, Tack welds to remain in the joint may be le8 as welded - CORRECT ANSWERS True
High pressure boiler bo,om blow-down piping between the boiler and the required valve is -
CORRECT ANSWERS Boiler external piping under ASME B31.1
Steam piping system must have a safety valve a8er each pressure reducer. - CORRECT
ANSWERS True
To determine the pressure of column of water, mul ply by - CORRECT ANSWERS .433
What provides all the informa on needed to make sound welds for ASME CODE SERVICE -
CORRECT ANSWERS The employers qualified spec
A mixture of oil and oxygen under pressure will most likely. - CORRECT ANSWERS All of the
above- explode, cause a fire, ruin your day
Which type of valve should be used for thro,ling fluids and quickly closing? - CORRECT
ANSWERS Globe valve
May flange faces for steam be repaired by welding and machining? - CORRECT ANSWERS No
Which non-destruc ve exam process best reveals lack of fusion in a finished weld. - CORRECT
ANSWERS Radiography
How should lo-high welding rod be stored - CORRECT ANSWERS According to manufacturers
recommenda on.
Cold bending pipe distor on can be prevented by? - CORRECT ANSWERS Adding sand!
RATED A+ 2025/2026 NEW!!
Doubling the pipe size increases the pipe capacity by - CORRECT ANSWERS 4 mes
What is the purpose of post weld heat-trea ng steel pipe? - CORRECT ANSWERS A- prevent
over stressing of the weld.
In ASTM A-53F pipe what does the le,er F designate? - CORRECT ANSWERS Furnace bu, weld
pipe
What is the max weld reinforcement allowed by ASME B31.1 - CORRECT ANSWERS 1/8 mes
the width of the weld.
What is the max weld undercut allowed by ASME B31.1 - CORRECT ANSWERS 1/32 of an inch
ASTM A-120 pipe may be used interchangeably with ASTM A 53-B for steam service - CORRECT
ANSWERS False
As an alterna ve to hydrosta c tes ng boiler external piping may be pneuma cally tested? -
CORRECT ANSWERS True
Seal welding of pipe joints can be considered for strength calcula ons - CORRECT ANSWERS
False
NPS 2 1/2" pipe should have how many threads per inch? - CORRECT ANSWERS 8 threads per
in h
, Tack welds to remain in the joint may be le8 as welded - CORRECT ANSWERS True
High pressure boiler bo,om blow-down piping between the boiler and the required valve is -
CORRECT ANSWERS Boiler external piping under ASME B31.1
Steam piping system must have a safety valve a8er each pressure reducer. - CORRECT
ANSWERS True
To determine the pressure of column of water, mul ply by - CORRECT ANSWERS .433
What provides all the informa on needed to make sound welds for ASME CODE SERVICE -
CORRECT ANSWERS The employers qualified spec
A mixture of oil and oxygen under pressure will most likely. - CORRECT ANSWERS All of the
above- explode, cause a fire, ruin your day
Which type of valve should be used for thro,ling fluids and quickly closing? - CORRECT
ANSWERS Globe valve
May flange faces for steam be repaired by welding and machining? - CORRECT ANSWERS No
Which non-destruc ve exam process best reveals lack of fusion in a finished weld. - CORRECT
ANSWERS Radiography
How should lo-high welding rod be stored - CORRECT ANSWERS According to manufacturers
recommenda on.
Cold bending pipe distor on can be prevented by? - CORRECT ANSWERS Adding sand!
