NJ BLACK SEAL EXAM QUESTIONS AND
ANSWERS GRADED A+ TESTED AND
APPROVED 2025/2026 NEW MODIFIED
According to the law, how often must all steam and hot water boilers
be inspected. --CORRECT ANSWER--once every 12- month
intervals from previous inspection.
According to the regulation, A licensed operator on watch shall give
constant attention ans remail within sight in both HP and LP boilers. -
-CORRECT ANSWER--False
The examination board of the mechanical inspection bureau of boiler
and pressure vessel compliance may consider an applicant experience
of and equivalent amount for grade or classification from some other
jurisdictional authority? --CORRECT ANSWER--True
The maintenance of automatic direct fired boilers is covered under
what document? --CORRECT ANSWER--ASME CSD-1
Page 1 of 32
,The mechanical inspection bureau incorporates by reference various
codes, standards and practices. Once specific safety practice
incorporated by reference for license operators specifies and identifies
one called a qualified individual. --CORRECT ANSWER--A boiler
service tech who is engaged in and responsible for the installation,
replacement, repair or service of the boiler, and safety devices and
experienced in such work. In some states individual must hold a
boiler license.
How are the tube sheets supported in a fire-tube boiler? --CORRECT
ANSWER--By the shell, stays and tubes
In a fire-tube boiler, how are the tubes usually attached to the tube
sheet --CORRECT ANSWER--By rolling the tubes and beading the
ends
Where would you find downcomer tubes? --CORRECT ANSWER--
In water-tube boilers
Why are baffles used in the steam drums of water-tube boilers? --
CORRECT ANSWER--To prevent the carry-over of water
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,Why are stay bolts used int the construction of HRT boilers? --
CORRECT ANSWER--To strengthen and support flat plates on fire-
tube boilers
According to the codes and standards adopted and incorporated by
reference of the boiler pressure vessel and refrigerant regulations,
welded repairs and alternations must comply with what? --CORRECT
ANSWER--Department of labor, The Bureau of pressure vessel
compliance.
The various license classification and grades for operating high
pressure boilers are found in the NJAC reference section listed a? --
CORRECT ANSWER--Table 3.4
To be eligible for high pressure boiler operator in charge exam, What
is the duration of time indicated in the regulations that an applicant
must have for an intensive training program by the chief? --
CORRECT ANSWER--No less than 6 weeks
What ASME code symbol is used to determine a high pressure power
boiler? --CORRECT ANSWER--S
Page 3 of 32
, What is the Act (LAW) that establishes the licensing requirements in
the state of NJ? --CORRECT ANSWER--N.J.S.A 34:7-1
What is the max penalty that may be imposed for a licensed operator
with an expired license? --CORRECT ANSWER--$5,000
What is the penalty is a person taking the exam us found taking
photos? --CORRECT ANSWER--Shall be subjected to prosecution
and or penalty up to $5,000
What is the range of capacity tat a high pressure boiler operator can
be chief engineer and work as shift engineer? --CORRECT
ANSWER--Can act as chief engineer and stand watch of a plant with
a minimum capacity of 100HP and up to 500HP.
What is the regulation corresponding to boiler, pressure vessels and
refrigeration systems in NJ? --CORRECT ANSWER--NJ
administrative code NJAC 12:90
Page 4 of 32
ANSWERS GRADED A+ TESTED AND
APPROVED 2025/2026 NEW MODIFIED
According to the law, how often must all steam and hot water boilers
be inspected. --CORRECT ANSWER--once every 12- month
intervals from previous inspection.
According to the regulation, A licensed operator on watch shall give
constant attention ans remail within sight in both HP and LP boilers. -
-CORRECT ANSWER--False
The examination board of the mechanical inspection bureau of boiler
and pressure vessel compliance may consider an applicant experience
of and equivalent amount for grade or classification from some other
jurisdictional authority? --CORRECT ANSWER--True
The maintenance of automatic direct fired boilers is covered under
what document? --CORRECT ANSWER--ASME CSD-1
Page 1 of 32
,The mechanical inspection bureau incorporates by reference various
codes, standards and practices. Once specific safety practice
incorporated by reference for license operators specifies and identifies
one called a qualified individual. --CORRECT ANSWER--A boiler
service tech who is engaged in and responsible for the installation,
replacement, repair or service of the boiler, and safety devices and
experienced in such work. In some states individual must hold a
boiler license.
How are the tube sheets supported in a fire-tube boiler? --CORRECT
ANSWER--By the shell, stays and tubes
In a fire-tube boiler, how are the tubes usually attached to the tube
sheet --CORRECT ANSWER--By rolling the tubes and beading the
ends
Where would you find downcomer tubes? --CORRECT ANSWER--
In water-tube boilers
Why are baffles used in the steam drums of water-tube boilers? --
CORRECT ANSWER--To prevent the carry-over of water
Page 2 of 32
,Why are stay bolts used int the construction of HRT boilers? --
CORRECT ANSWER--To strengthen and support flat plates on fire-
tube boilers
According to the codes and standards adopted and incorporated by
reference of the boiler pressure vessel and refrigerant regulations,
welded repairs and alternations must comply with what? --CORRECT
ANSWER--Department of labor, The Bureau of pressure vessel
compliance.
The various license classification and grades for operating high
pressure boilers are found in the NJAC reference section listed a? --
CORRECT ANSWER--Table 3.4
To be eligible for high pressure boiler operator in charge exam, What
is the duration of time indicated in the regulations that an applicant
must have for an intensive training program by the chief? --
CORRECT ANSWER--No less than 6 weeks
What ASME code symbol is used to determine a high pressure power
boiler? --CORRECT ANSWER--S
Page 3 of 32
, What is the Act (LAW) that establishes the licensing requirements in
the state of NJ? --CORRECT ANSWER--N.J.S.A 34:7-1
What is the max penalty that may be imposed for a licensed operator
with an expired license? --CORRECT ANSWER--$5,000
What is the penalty is a person taking the exam us found taking
photos? --CORRECT ANSWER--Shall be subjected to prosecution
and or penalty up to $5,000
What is the range of capacity tat a high pressure boiler operator can
be chief engineer and work as shift engineer? --CORRECT
ANSWER--Can act as chief engineer and stand watch of a plant with
a minimum capacity of 100HP and up to 500HP.
What is the regulation corresponding to boiler, pressure vessels and
refrigeration systems in NJ? --CORRECT ANSWER--NJ
administrative code NJAC 12:90
Page 4 of 32
