1|Page
Maryland Boiler License Exam 2026/2027 ACTUAL
COMPLETE REAL VERIFIED EXAM QUESTIONS
|MOST TESTED QUESTIONS AND CORRECT
ANSWERS |100% ACCURATE|GET IT RIGHT!!
ALREADY GRADED A+||NEWEST EXAM!!!
As an operator in a plant you must always be aware of
your surroundings. Which of the following, that should be
under the control of the licensed operator, can be
extremely dangerous and cause a catastrophic hazardous
event if it is not inspected annually? - Answer-The boiler(s)
can be dangerous if not inspected and maintained
properly
The primary purpose of establishing a set of plant safety
rules is to: - Answer-protect workers and equipment
The ASME Code states that the setting on the high limit
pressure control on a low pressure steam boiler shall not
exceed: - Answer-15 psig
In order to be a good operator one must have basic
knowledge on the principles of how energy works in a
steam and hot water system. Which of the statements
,2|Page
below is correct? - Answer-in a heating system, in order to
change state from a liquid to a gaseous state heat must be
added.
What ASME code section is used for the care and
operation of heating boilers? - Answer-ASME Code,
Section VI
In a hot water heating system, where would you find an
expansion tank and what is its function? - Answer-on the
suction side of the pump to avoid negative pressure in the
system
What is the official ASME letter stamp used to denote low
pressure heating boilers? - Answer-H
What is the maximum penalty for performing the duties of
a boiler operator with an expired license? - Answer-
$5,000.00
Where on the Certificate of Inspection would you find the
State of New Jersey jurisdiction number? - Answer-upper
left corner
, 3|Page
Which of the following best describes the combustion
chamber of a serpentine tube heating boiler? - Answer-it is
located below the tubes
By N.J.A.C. rules, a school with a boiler plant with a total
interconnected capacity of 100 BHP would require a
properly licensed operator to be present whenever the
building was deemed occupied. - Answer-false
Which of the following is not a classification of a hot water
system? - Answer-a Hartford loop system
When bringing a steam heating plant on line from a cold
start, when the ambient conditions are about 20 degrees
F, what condition are you preventing when the pressure is
increased gradually? - Answer-thermal shock
A boiler operator's log shall be maintained in each plant
containing over: - Answer-100 Boiler HP
By definition, a boiler is an open vessel in which water is
turned to steam under pressure by the application of heat.
- Answer-false
Maryland Boiler License Exam 2026/2027 ACTUAL
COMPLETE REAL VERIFIED EXAM QUESTIONS
|MOST TESTED QUESTIONS AND CORRECT
ANSWERS |100% ACCURATE|GET IT RIGHT!!
ALREADY GRADED A+||NEWEST EXAM!!!
As an operator in a plant you must always be aware of
your surroundings. Which of the following, that should be
under the control of the licensed operator, can be
extremely dangerous and cause a catastrophic hazardous
event if it is not inspected annually? - Answer-The boiler(s)
can be dangerous if not inspected and maintained
properly
The primary purpose of establishing a set of plant safety
rules is to: - Answer-protect workers and equipment
The ASME Code states that the setting on the high limit
pressure control on a low pressure steam boiler shall not
exceed: - Answer-15 psig
In order to be a good operator one must have basic
knowledge on the principles of how energy works in a
steam and hot water system. Which of the statements
,2|Page
below is correct? - Answer-in a heating system, in order to
change state from a liquid to a gaseous state heat must be
added.
What ASME code section is used for the care and
operation of heating boilers? - Answer-ASME Code,
Section VI
In a hot water heating system, where would you find an
expansion tank and what is its function? - Answer-on the
suction side of the pump to avoid negative pressure in the
system
What is the official ASME letter stamp used to denote low
pressure heating boilers? - Answer-H
What is the maximum penalty for performing the duties of
a boiler operator with an expired license? - Answer-
$5,000.00
Where on the Certificate of Inspection would you find the
State of New Jersey jurisdiction number? - Answer-upper
left corner
, 3|Page
Which of the following best describes the combustion
chamber of a serpentine tube heating boiler? - Answer-it is
located below the tubes
By N.J.A.C. rules, a school with a boiler plant with a total
interconnected capacity of 100 BHP would require a
properly licensed operator to be present whenever the
building was deemed occupied. - Answer-false
Which of the following is not a classification of a hot water
system? - Answer-a Hartford loop system
When bringing a steam heating plant on line from a cold
start, when the ambient conditions are about 20 degrees
F, what condition are you preventing when the pressure is
increased gradually? - Answer-thermal shock
A boiler operator's log shall be maintained in each plant
containing over: - Answer-100 Boiler HP
By definition, a boiler is an open vessel in which water is
turned to steam under pressure by the application of heat.
- Answer-false
