LOW PRESSURE BOILER BLACK SEAL EXAM|
HIGH PRESSURE BOILER BLACK SEAL EXAM
QUESTIONS AND ANSWERS TESTED AND
APPROVED 2025/2026 LATEST
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
What is the purpose of an aquastat control device on a boiler system?
--ANSWER--it is used to control water temperature
Page 1 of 34
,In a two-pipe direct-return hot water heating system, the supply and
return water flow in the same direction. --ANSWER--false
Which of the following is not an advantage of steam heating systems?
--ANSWER--only small pumps are needed to move steam.
What is the maximum temperature allowed on all low pressure
heating boilers? --ANSWER--250 degrees F
What type of boiler is a Horizontal Return Boiler (HRT)? --
ANSWER--a fire-tube boiler
A steam heating boiler plant consists of 3 fire-tube boilers, each with
a burner input of 5,175 lbs/hr. Calculate the total boiler horsepower
(BHP) of this plant. --ANSWER--450 BHP
Which of the following statements regarding a hydronic heating
system is accurate in its description? --ANSWER--the water
circulator must take the water from the boiler and move it through the
individual terminals or heating units where the heat is emitted and
then returns the water to the boiler to be reheated.
Page 2 of 34
,What ASME codes are heating boilers built to? --ANSWER--Section
IV
How are the sections of a CIS (cast iron sectional) boiler connected? -
-ANSWER--by push nipples and bolts
Where on the Certificate of Inspection would you find the State of
New Jersey jurisdiction number? --ANSWER--upper left corner
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
Page 3 of 34
, 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
According to state boiler regulations, where should the boiler
registration number be located? --ANSWER--on the front of the
boiler
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
Page 4 of 34
HIGH PRESSURE BOILER BLACK SEAL EXAM
QUESTIONS AND ANSWERS TESTED AND
APPROVED 2025/2026 LATEST
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
What is the purpose of an aquastat control device on a boiler system?
--ANSWER--it is used to control water temperature
Page 1 of 34
,In a two-pipe direct-return hot water heating system, the supply and
return water flow in the same direction. --ANSWER--false
Which of the following is not an advantage of steam heating systems?
--ANSWER--only small pumps are needed to move steam.
What is the maximum temperature allowed on all low pressure
heating boilers? --ANSWER--250 degrees F
What type of boiler is a Horizontal Return Boiler (HRT)? --
ANSWER--a fire-tube boiler
A steam heating boiler plant consists of 3 fire-tube boilers, each with
a burner input of 5,175 lbs/hr. Calculate the total boiler horsepower
(BHP) of this plant. --ANSWER--450 BHP
Which of the following statements regarding a hydronic heating
system is accurate in its description? --ANSWER--the water
circulator must take the water from the boiler and move it through the
individual terminals or heating units where the heat is emitted and
then returns the water to the boiler to be reheated.
Page 2 of 34
,What ASME codes are heating boilers built to? --ANSWER--Section
IV
How are the sections of a CIS (cast iron sectional) boiler connected? -
-ANSWER--by push nipples and bolts
Where on the Certificate of Inspection would you find the State of
New Jersey jurisdiction number? --ANSWER--upper left corner
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
Page 3 of 34
, 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
According to state boiler regulations, where should the boiler
registration number be located? --ANSWER--on the front of the
boiler
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
Page 4 of 34
