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Black seal high pressure COMPLETE TEST

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Black seal high pressure COMPLETE TEST

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Black seal high pressure COMPLETE TEST


What are the four main systems of a steam boiler? - ANSWER -
Fuel, Draft, Feedwater, and Steam


What is the first thing an operator should do when entering a
steam boiler room? - ANSWER -Check the water level of the
boiler(s)


Describe the design of a firetube boiler - ANSWER -Fire inside
the tubes, surrounded by water


What is the primary purpose of Low Water Fuel Cut-Off
(LWCO)? - ANSWER -Shut off the fuel supply to the boiler in the
event of low water


How often should the low water cut-off be tested? - ANSWER -
Once per day by law. Once per shift is best practice.

,What is an alternative way to verify water level without using
the gauge glass? - ANSWER -Using the Try Cocks


What is sensible heat? - ANSWER -A change in temperature
without a change in matter


What unit is used in our industry to measure heat? - ANSWER -
BTU's


Describe thermal expansion - ANSWER -The tendency of matter
to change in volume in response to a change in temperature


What is the most important rule of safe boiler operation? -
ANSWER -Maintain water level


What type of heat is a larger exchange of BTU's and results in a
change in matter without changing temperature? - ANSWER -
Latent Heat


Which temperature scale is used by the majority of the world? -
ANSWER -Celcius

, How often, by law, must a boiler be inspected? - ANSWER -
Annually


A change in temperature is an example of: - ANSWER -Sensible
heat


How many BTU's does it take to change one pound of water
into one pound of steam? - ANSWER -970.3


What type of heat is a larger exchange of BTU's? - ANSWER -
Latent Heat


What is the most common fuel oil used in boilers? - ANSWER -
#2


What are the 4 fundamentals of combustion? - ANSWER -
Mixture, Atomization, Time, Temperature


What PH level is ideal in boiler operation? - ANSWER -10-11.5

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