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Examen

Black seal test || Possible Questions Accurately Answered.

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Black seal test || Possible Questions Accurately Answered.

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Black seal test || Possible Questions Accurately Answered.


The ASME Code states that the setting on the high limit pressure control on a low pressure steam
boiler shall not exceed: correct answers 15 psig


By definition, a boiler is an open vessel in which water is turned to steam under pressure by the
application of heat. True or False? correct answers False


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. True or False? correct answers False


According to state boiler regulations, where should the boiler registration number be located?
correct answers on the front of the boiler


A boiler operator's log shall be maintained in each plant containing over: correct answers 100
Boiler Hp


If in good standing, an expired license can be renewed within a period of: correct answers 3
years


The low pressure black seal license will permit you to operate boiler plants of up to: correct
answers no limit


What is the maximum penalty for performing the duties of a boiler operator with an expired
license? correct answers $5,000.00


Where on the Certificate of Inspection would you find the State of New Jersey jurisdiction
number? correct answers upper left corner

,What is the maximum temperature and pressure a hot water supply boiler can have to be
considered a low pressure boiler? correct answers 160 psi at 250 degrees F


The observed pressure of a heating system when it is in an idle or non-operating mode is called:
correct answers This is known as the static pressure of the system


The primary purpose of establishing a set of plant safety rules is to: correct answers protect the
workers and equipment


What are the four systems required to operate a steam boiler? correct answers steam, feedwater,
fuel and draft


Low pressure boilers shall comply with what section of the ASME code? correct answers IV


What is the official ASME letter stamp used to denote low pressure heating boilers? correct
answers H


Which of the following statements regarding a hydronic heating system is accurate in its
description?
1. the water circulation must take the water from the boiler and move it through the individual
terminals or heating units where the heat is emitted and then return the water to the condensate
tank.
2. the water circulator takes the water from the feed pump discharge and moves it through the
individual terminals or heating units where the heat is absorbed and any remaining steam turns to
liquid then it is returned to the boiler to be reused again.
3. 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.
4. none of the statements provides an accurate description for a hydronic heating system. correct
answers 3

, In a hydronic system, which of the following statements is correct regarding the heat transfer
efficiency of a heating system? correct answers in a hydronic heating system, if a system has too
much air it can't properly transfer heat


Identify the correct type of heating system, conditions and the Btu value given in the statement.
1. in a steam heating system to vaporize a pound of water having a temperature of 210˚F at
barometric pressure, 180 BTU's must be added.
2. in a hydronic heating system to vaporize a pound of water having a temperature of 250˚F at
atmospheric pressure, 1130.3 BTU'a must be added.
3. in a hot water heating system to vaporize a pound of water having a temperature of 212˚F at
atmospheric pressure, 970.3 BTU's must be added.
4. in a steam heating system to vaporize a pound of water having a temperature of 212˚F at
atmospheric pressure, 970.3 BTU's must be added. correct answers 4


In order to be a good operator one must have a basic knowledge on the principles of how energy
works in a steam and hot water system. Which of the statements below is correct?1. in a heating
system, in order to change state from a liquid to a gaseous state energy must be removed.
2. in a heating system, in order to change state from a liquid to a gaseous state heat must be
added.
3. in a heating system, in order to change state from a liquid to a gaseous state vapor must be
formed and heat extracted.
4. in a heating system, in order to change state from a liquid to a gaseous state the amount of
energy used must equal room temperature in the boiler. correct answers 2


Which of the following is not an advantage of steam heating systems?
1. it can carry large amounts of energy over long distances.
2. only small pumps are needed to move steam.
3. the height of the building being heated does not affect the steam.
4. steam can be used to operate many pieces of equipment. correct answers 2

Información del documento

Subido en
1 de julio de 2026
Número de páginas
17
Escrito en
2025/2026
Tipo
Examen
Contiene
Preguntas y respuestas
$13.39

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