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WorksheetsBoiler Fundamentals #2
Total questions: 13
Worksheet time: 7mins
Fire tube boilers route (send) combustion gases through a series of tubes to transfer heat to water, thus producing steam.
true
false
What is the function of a boiler?
to heat water to make steam
to heat water to make spaghetti
to transform liquid into a mist
to mix air and fuel
What two products are required (needed) to produce (make) steam?
water
heat
fan
boiler
What is the basic difference between fire tube and water tube?
Steam and hot air run through both tubes.
When its cold out water fill freeze and not go through the tubes.
In a fire tube boiler, combustion gases flow through the tubes; in a water tube boiler, water and steam flow through the tubes.
Where is steam produced in a typical water tube boiler?
Steam is produced in the water tubes that surround the combustion area of the boiler.
In a pot over an open fire.
At the base of the boiler so the water can not spill out.
In a typical water tube boiler, the water leaving the upper drum is distributed to water tubes that go to the
Combustion area
Lower drum
True or false. When water is heated to its boiling point, it changes from a liquid to a vapor.
true
false
_________ is a measure of heat.
Temperature
Thermometer
Heat
All of them
Water boils at ______ degrees Fahrenheit.
200
100
212
210
Where is steam collected in a typical water tube boiler?
lower drum
snare drum
upper drum
bass drum
This happens when a combustible material is surrounded by enough oxygen and is exposed to a source of heat or temperature above the flash point.
Explosion
Implosion
Spontaneous Combustion
Chemical Reaction
_______ is the transfer of heat within a fluid, that is a liquid or gas. It is caused by a mixing action within a fluid.
Conduction
Convection
Radation
Combustion
In water tube boilers ___________
water passes through the tubes which are surrounded by flames and hot gases
the flames and hot gases pass through the tubes which are surrounded by water
