NJ Black Seal Exam Preparation Version 1 Newest
2026-2027 With Complete Questions And Correct
Detailed Answers| Brand New Version!
How much heat is required to change 2,500 lb of water to steam at 212
degrees? - ANSWER-2,425,750 Btu
In a fire-tube boiler, how are the tubes usually attached to the tube
sheet? - ANSWER-by rolling the tubes and beading the ends
Air receivers must conform to what ASME Code - ANSWER-Section VIII
What is the term that defines the ratio of the total heat supplied by the
fuel to the total heat absorbed by the boiler water? - ANSWER-thermal
efficiency
The maintenance of automatic direct fired boilers is covered under
what document? - ANSWER-ASME CSD-1
Where would you find downcomer tubes? - ANSWER-in water-tube
boilers
1|Page
,The heat that is added to convert a liquid to a vapor at a constant
temperature is called. - ANSWER-latent heat of evaporation
A three-element feedwater regulator is controlled by what means? -
ANSWER-steam flow, feedwater flow, and drum level
What ASME code symbol is used to denote a high pressure power
boiler? - ANSWER-S
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
Boiler manways and handholes are oval for what reason? - ANSWER-for
removal from the pressure vessel
How and where should electrical disconnect switches be installed? -
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
The Mechanical Inspection Bureau incorporates by reference various
codes, standards and practices. Once specific safety practice
incorporated by reference for licensed operators specifies and identifies
2|Page
, one called a qualified individual. How is the qualified individual
identified in this reference? - ANSWER-A boiler service technician who
is engaged in and responsible for the installation, replacement, repair or
service of the boiler, fuel burning controls, and safety devices and is
experienced in such work. In some states this individual must also hold
an appropriate boiler operator's license.
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
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
If your boiler needs welded repairs, you must get approval for such
repairs from the: - ANSWER-authorized inspection agency
A thermal expansion feedwater regulator operates by: - ANSWER-the
expansion and contraction of a thermostatic element
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
3|Page
2026-2027 With Complete Questions And Correct
Detailed Answers| Brand New Version!
How much heat is required to change 2,500 lb of water to steam at 212
degrees? - ANSWER-2,425,750 Btu
In a fire-tube boiler, how are the tubes usually attached to the tube
sheet? - ANSWER-by rolling the tubes and beading the ends
Air receivers must conform to what ASME Code - ANSWER-Section VIII
What is the term that defines the ratio of the total heat supplied by the
fuel to the total heat absorbed by the boiler water? - ANSWER-thermal
efficiency
The maintenance of automatic direct fired boilers is covered under
what document? - ANSWER-ASME CSD-1
Where would you find downcomer tubes? - ANSWER-in water-tube
boilers
1|Page
,The heat that is added to convert a liquid to a vapor at a constant
temperature is called. - ANSWER-latent heat of evaporation
A three-element feedwater regulator is controlled by what means? -
ANSWER-steam flow, feedwater flow, and drum level
What ASME code symbol is used to denote a high pressure power
boiler? - ANSWER-S
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
Boiler manways and handholes are oval for what reason? - ANSWER-for
removal from the pressure vessel
How and where should electrical disconnect switches be installed? -
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
The Mechanical Inspection Bureau incorporates by reference various
codes, standards and practices. Once specific safety practice
incorporated by reference for licensed operators specifies and identifies
2|Page
, one called a qualified individual. How is the qualified individual
identified in this reference? - ANSWER-A boiler service technician who
is engaged in and responsible for the installation, replacement, repair or
service of the boiler, fuel burning controls, and safety devices and is
experienced in such work. In some states this individual must also hold
an appropriate boiler operator's license.
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
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
If your boiler needs welded repairs, you must get approval for such
repairs from the: - ANSWER-authorized inspection agency
A thermal expansion feedwater regulator operates by: - ANSWER-the
expansion and contraction of a thermostatic element
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
3|Page
