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Low pressure boiler black seal Exam Q’s and A’s

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Low pressure boiler black seal Exam Q’s and A’s

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Low pressure boiler black seal Exam Q’s and A’s
Where on the Certificate of Inspection would you find the State of New Jersey jurisdiction
number? - -upper left corner

-Which of the following best describes the combustion chamber of a serpentine tube
heating boiler? - -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. - -false

-Which of the following is not a classification of a hot water system? - -a Hartford loop
system

-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? - -thermal shock

-A boiler operator's log shall be maintained in each plant containing over: - -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. - -false

-According to state boiler regulations, where should the boiler registration number be
located? - -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? - -The
boiler(s) can be dangerous if not inspected and maintained properly

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

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

-In order to be a good operator one must have basic knowledge on the principles of how
energy works in a steam and hot water system. Which of the statements below is correct? -
-in a heating system, in order to change state from a liquid to a gaseous state heat must be
added.

-What ASME code section is used for the care and operation of heating boilers? - -ASME
Code, Section VI

, -In a hot water heating system, where would you find an expansion tank and what is its
function? - -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? - -H

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

-What is the purpose of an aquastat control device on a boiler system? - -it is used to
control water temperature

-In a two-pipe direct-return hot water heating system, the supply and return water flow in
the same direction. - -false

-Which of the following is not an advantage of steam heating systems? - -only small pumps
are needed to move steam.

-What is the maximum temperature allowed on all low pressure heating boilers? - -250
degrees F

-What type of boiler is a Horizontal Return Boiler (HRT)? - -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. - -450 BHP

-Which of the following statements regarding a hydronic heating system is accurate in its
description? - -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.

-What ASME codes are heating boilers built to? - -Section IV

-How are the sections of a CIS (cast iron sectional) boiler connected? - -by push nipples
and bolts

-What is the minimum penalty for not properly posting your license? - -$500.00

-In a two-pipe reverse-return hot water heating system, the supply and return water flow
in the same direction. - -True

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

-The most important rule in the safe operation of a steam boiler is to: - -keep the boiler
water at the proper level

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