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Low pressure boiler practice test Solved 100% Correct
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Low pressure boiler practice test Solved 100% Correct
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Low pressure boiler practice test Solved100% Correct
212°F - ANSWER-Water turns to steam at _____ at atmospheric pressure
Atmospheric pressure - ANSWER-Is the pressure caused by the weight of air
surrounding the earth
Atomization - ANSWER-The breaking up of fuel into small particles to maximize contact
of fuel with air for combustion is called
Baffles - ANSWER-_____ are used in boilers to direct the gases of combustion over the
boiler heating surface
Btu - ANSWER-The amount of energy required to raise the temperature of 1 lb of water
1°F is 1 _____
Cast iron - ANSWER-A _____ boiler does not use tubes
Cast iron boiler - ANSWER-Have sections that can be assembled on-site to produce the
boiler capacity required
Combustion chamber - ANSWER-In the _____, air mixes with fuel and burns
Draft system - ANSWER-The _____ provides the air necessary for combustion
Feedwater, fuel, draft and steam - ANSWER-The four systems necessary to operate a
boiler are _____, _____, _____, and _____
Firetube - ANSWER-A _____ boiler has heat and gases of combustion that pass
through tubes surrounded by water
Fitting - ANSWER-A _____ is a component directly attached to the boiler that is
required for the operation of the boiler
Heat exchanger - ANSWER-A _____ is used to transfer heat from one substance to
another without allowing the materials to mix
Heating surface - ANSWER-The _____ is the part of the boiler with water on one side
and heat on the other
Increase heating surface - ANSWER-To increase efficiency of the boiler, _____
MAWP - ANSWER-Maximum allowable working pressure
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