Black Seal Exam
BLACK SEAL EXAM NEWEST 2025/2026 COMPLETE ALL QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW VERSION!
What is the Act (Law) that establishes the licensing requirements in the state of NJ
for Stationary, Power Engineers, Refrigeration Engineers and Boiler Operators? -
ANSWER-N.J.S.A 34:7-1
What is the max penalty that may be imposed for performing the duties of a
licensed operator with an expired license? - ANSWER-$5,000
What is the penalty if a person taking the exam is found taking photos of the test?
- ANSWER-Any person using fraudulent means to obtain a license shall be subject
to prosecution and or penalty up to $5,000. Any license shall be invalid.
What is the range of capacity that a High-Pressure Boiler Operator can be the
Chief Engineer and work as Shift Engineer (stand watch) based on the 12:90 Boiler,
Pressure Vessel and Refrigeration rules? - ANSWER-Can act as Chief Engineer and
stand watch of a plant with a minimum capacity of 100 HP and up to 500 HP
What is the regulation corresponding to boiler, pressure vessels and refrigeration
systems in New Jersey? - ANSWER-New Jersey Administrative Code (NJAC) 12:90
Any person found performing the duties of a license and holding an expired
license, shall be subject to what type of penalty? - ANSWER-They shall be subject
to a min penalty of $500 up to a max of $5,000 per day.
1|Page
, Black Seal Exam
Air receivers must conform to what ASME Code? - ANSWER-Section VIII
If your boiler needs welded repairs, you must get approval for such repairs from
the: - ANSWER-authorized inspection agency
In accordance with ASME CSD-1, where is the installation of a manually operated
remote shutdown switch or circuit breaker to be located? - ANSWER-Just outside
the boiler room door, unless the door is on the building exterior and it must be
marked for easy identification and installed on every exit door of the boiler room.
Pursuant to N.J.A.C. 12:90, what is the temperature and pressure that defines a
high-temperature hot water heating boiler? - ANSWER-exceeds 250 degrees F at
160 psi
Is it necessary to provide a disconnect switch at an accessible location at the
boiler? - ANSWER-An electrical disconnect switch shall be installed at the boiler at
an accessible location with a cover plate that can be locked out in the open
position
When a license is improperly or not posted what is the amount of penalty or fine
that may be imposed on the Engineer, by the state? - ANSWER-$500.00
When preparing a boiler for a hydrostatic test, what is the best temperature for
the boiler water? - ANSWER-75 degrees F
Where in the NJ Administrative Code (NJAC) are the duties of licensed persons
established? - ANSWER-N.J.A.C. 12:90-3.10
2|Page
, Black Seal Exam
Which is the act that a Mechanical Inspection Bureau exists in New Jersey? -
ANSWER-The New Jersey Statute Annotated (NJSA) 34:1-38.1
Who is responsible for obtaining pertinent operating, testing, servicing, and
cleaning instructions for the controls and safety devices? - ANSWER-It is the
responsibility of the installing contractor to deliver all the instructions to the
equipment owner/user
By ASME code, the size of the water column connections to a boiler must be a
minimum of: - ANSWER-1 inch
What is the proper procedure for returning a gauge glass to service, after installing
a new glass? - ANSWER-open the drain and crack open the top valve
When a low-water fuel cutoff (LWFCO) has activated on a hot water heating boiler
what shall happen? - ANSWER-Operation of the LWFCO shall cause a safety
shutdown and lockout, requiring a physical manual reset
What would occur if there was a drop in the velocity of the liquid flowing through
a heat exchanger? - ANSWER-the temperature of the liquid would increase
Which of the following could cause a tube in a high-temperature hot water boiler
to overheat? - ANSWER-poor circulation
3|Page
, Black Seal Exam
Which of the following is the proper method for testing a low-water cut-off device
on a steam boiler? - ANSWER-lower the water level in the boiler until the burner
shuts down
An operator must be familiar with how water pressure works and the basic
concepts that determine pressure head. Therefore, a column of water 1-inch
square and 1-foot-high weighs how much? - ANSWER-.43 lbs
Which of the following valves is used in a steam feedwater supply line to control
the direction of fluid flow and prevent backflow in a system? - ANSWER-Check
valve
Most steam boilers are equipped for the gauge glass and water column to be
blown down. Generally, the operating rules recommend that the water column
and gauge glass be blown down: - ANSWER-once a day
What is the basic function of the low water cut-off device? - ANSWER-to shut off
the fuel supply to the burner
A three-element feedwater regulator is controlled by what means? - ANSWER-
steam flow, feedwater flow, and drum level
A two-element feedwater regulator is controlled by what means? - ANSWER-
water level and steam flow rate
What condition would cause a feedwater pump to become vapor bound? -
ANSWER-the feedwater temperature is too hot
4|Page
BLACK SEAL EXAM NEWEST 2025/2026 COMPLETE ALL QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW VERSION!
What is the Act (Law) that establishes the licensing requirements in the state of NJ
for Stationary, Power Engineers, Refrigeration Engineers and Boiler Operators? -
ANSWER-N.J.S.A 34:7-1
What is the max penalty that may be imposed for performing the duties of a
licensed operator with an expired license? - ANSWER-$5,000
What is the penalty if a person taking the exam is found taking photos of the test?
- ANSWER-Any person using fraudulent means to obtain a license shall be subject
to prosecution and or penalty up to $5,000. Any license shall be invalid.
What is the range of capacity that a High-Pressure Boiler Operator can be the
Chief Engineer and work as Shift Engineer (stand watch) based on the 12:90 Boiler,
Pressure Vessel and Refrigeration rules? - ANSWER-Can act as Chief Engineer and
stand watch of a plant with a minimum capacity of 100 HP and up to 500 HP
What is the regulation corresponding to boiler, pressure vessels and refrigeration
systems in New Jersey? - ANSWER-New Jersey Administrative Code (NJAC) 12:90
Any person found performing the duties of a license and holding an expired
license, shall be subject to what type of penalty? - ANSWER-They shall be subject
to a min penalty of $500 up to a max of $5,000 per day.
1|Page
, Black Seal Exam
Air receivers must conform to what ASME Code? - ANSWER-Section VIII
If your boiler needs welded repairs, you must get approval for such repairs from
the: - ANSWER-authorized inspection agency
In accordance with ASME CSD-1, where is the installation of a manually operated
remote shutdown switch or circuit breaker to be located? - ANSWER-Just outside
the boiler room door, unless the door is on the building exterior and it must be
marked for easy identification and installed on every exit door of the boiler room.
Pursuant to N.J.A.C. 12:90, what is the temperature and pressure that defines a
high-temperature hot water heating boiler? - ANSWER-exceeds 250 degrees F at
160 psi
Is it necessary to provide a disconnect switch at an accessible location at the
boiler? - ANSWER-An electrical disconnect switch shall be installed at the boiler at
an accessible location with a cover plate that can be locked out in the open
position
When a license is improperly or not posted what is the amount of penalty or fine
that may be imposed on the Engineer, by the state? - ANSWER-$500.00
When preparing a boiler for a hydrostatic test, what is the best temperature for
the boiler water? - ANSWER-75 degrees F
Where in the NJ Administrative Code (NJAC) are the duties of licensed persons
established? - ANSWER-N.J.A.C. 12:90-3.10
2|Page
, Black Seal Exam
Which is the act that a Mechanical Inspection Bureau exists in New Jersey? -
ANSWER-The New Jersey Statute Annotated (NJSA) 34:1-38.1
Who is responsible for obtaining pertinent operating, testing, servicing, and
cleaning instructions for the controls and safety devices? - ANSWER-It is the
responsibility of the installing contractor to deliver all the instructions to the
equipment owner/user
By ASME code, the size of the water column connections to a boiler must be a
minimum of: - ANSWER-1 inch
What is the proper procedure for returning a gauge glass to service, after installing
a new glass? - ANSWER-open the drain and crack open the top valve
When a low-water fuel cutoff (LWFCO) has activated on a hot water heating boiler
what shall happen? - ANSWER-Operation of the LWFCO shall cause a safety
shutdown and lockout, requiring a physical manual reset
What would occur if there was a drop in the velocity of the liquid flowing through
a heat exchanger? - ANSWER-the temperature of the liquid would increase
Which of the following could cause a tube in a high-temperature hot water boiler
to overheat? - ANSWER-poor circulation
3|Page
, Black Seal Exam
Which of the following is the proper method for testing a low-water cut-off device
on a steam boiler? - ANSWER-lower the water level in the boiler until the burner
shuts down
An operator must be familiar with how water pressure works and the basic
concepts that determine pressure head. Therefore, a column of water 1-inch
square and 1-foot-high weighs how much? - ANSWER-.43 lbs
Which of the following valves is used in a steam feedwater supply line to control
the direction of fluid flow and prevent backflow in a system? - ANSWER-Check
valve
Most steam boilers are equipped for the gauge glass and water column to be
blown down. Generally, the operating rules recommend that the water column
and gauge glass be blown down: - ANSWER-once a day
What is the basic function of the low water cut-off device? - ANSWER-to shut off
the fuel supply to the burner
A three-element feedwater regulator is controlled by what means? - ANSWER-
steam flow, feedwater flow, and drum level
A two-element feedwater regulator is controlled by what means? - ANSWER-
water level and steam flow rate
What condition would cause a feedwater pump to become vapor bound? -
ANSWER-the feedwater temperature is too hot
4|Page
