Boiler Fundamentals #2

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