1|Page
Maryland Boiler License Exam || Most Recent ||2026
Actual Complete Real Exam Questions With verified
Answers||Verified Exam!!! (Correct Answers) Already
Graded A+ , Guaranteed success| Newest Exam!!!
Under ASME sec IV part HG400 safety valve for a 15lb
steam heating boiler over 15000 btu heat insput shall not
be smaller than ______ and larger than ______. -
Answers-1, 4 1/2 NPS
In a completed groove weld, the term for the surface of the
weld on the side from which the welding is done is the
_______ ________. - Answers-weld face
T/F Class 5A certificate holder can install either ASME
B31.1 or B31.5 pressure piping. - Answers-False
T/F Boilers under 400k btu are exempt from the
requirements of ASME CSD-1 - Answers-False
T/F Pipe fabricated in the shop needs to be inspected by
your companies quality control manager but the boiler
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inspector only needs to see the piping once it is on the job
site. - Answers-True
What class fire is fueled by liquids? - Answers-Class B
An installation permit which has been processed through
the boiler section must: - Answers-Be obtained prior to
starting work and posted on the site prior to start of work
T/F All automatically fired boilers from 12,500,000 btu or
less are subected to ASME CSD.1 - Answers-True
Doubling the size of pipe increases the capacity by how
many times? - Answers-Four
Max amount of weld undercut allowed by ASME B31.1 -
Answers-1/32"
T/F Slip on flanges welded inside and out on category M -
Answers-True
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Blueprint solid line with arrows is a _________ line -
Answers-Dimension
Is PVC allowed in compressed air systems? - Answers-No
All safety relief valves installed on pressure equipment in
OR must be _________ approved - Answers-ASME
Steam trap discharge piping shall be designed to the
same _______ unless it is __________ to atmosphere -
Answers-pressure, vented
Which of the following is not considered a type of weld -
Answers-Fillet
T/F Low and high pressure gas switches only are required
on boilers of 12.5 mbtu and greater. - Answers-True
T/F Combustion air requirements are not the responsibility
of the boiler installation contractor. - Answers-False
T/F Bell and spigot fittings may be used on refrigeration
service. - Answers-False
Maryland Boiler License Exam || Most Recent ||2026
Actual Complete Real Exam Questions With verified
Answers||Verified Exam!!! (Correct Answers) Already
Graded A+ , Guaranteed success| Newest Exam!!!
Under ASME sec IV part HG400 safety valve for a 15lb
steam heating boiler over 15000 btu heat insput shall not
be smaller than ______ and larger than ______. -
Answers-1, 4 1/2 NPS
In a completed groove weld, the term for the surface of the
weld on the side from which the welding is done is the
_______ ________. - Answers-weld face
T/F Class 5A certificate holder can install either ASME
B31.1 or B31.5 pressure piping. - Answers-False
T/F Boilers under 400k btu are exempt from the
requirements of ASME CSD-1 - Answers-False
T/F Pipe fabricated in the shop needs to be inspected by
your companies quality control manager but the boiler
,2|Page
inspector only needs to see the piping once it is on the job
site. - Answers-True
What class fire is fueled by liquids? - Answers-Class B
An installation permit which has been processed through
the boiler section must: - Answers-Be obtained prior to
starting work and posted on the site prior to start of work
T/F All automatically fired boilers from 12,500,000 btu or
less are subected to ASME CSD.1 - Answers-True
Doubling the size of pipe increases the capacity by how
many times? - Answers-Four
Max amount of weld undercut allowed by ASME B31.1 -
Answers-1/32"
T/F Slip on flanges welded inside and out on category M -
Answers-True
, 3|Page
Blueprint solid line with arrows is a _________ line -
Answers-Dimension
Is PVC allowed in compressed air systems? - Answers-No
All safety relief valves installed on pressure equipment in
OR must be _________ approved - Answers-ASME
Steam trap discharge piping shall be designed to the
same _______ unless it is __________ to atmosphere -
Answers-pressure, vented
Which of the following is not considered a type of weld -
Answers-Fillet
T/F Low and high pressure gas switches only are required
on boilers of 12.5 mbtu and greater. - Answers-True
T/F Combustion air requirements are not the responsibility
of the boiler installation contractor. - Answers-False
T/F Bell and spigot fittings may be used on refrigeration
service. - Answers-False
