Boiler Fundamentals 1

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

Device/Object that measures temperature. 

• Thermal energy
• Temperature
• Thermometer
• Heat

Water freezes at ______ on the Fahrenheit scale?

• 212

• 0

• 100

• 32

Water boils at ______ degrees Fahrenheit.

• 200

• 100

• 212

• 210

True or false. When water is heated to its boiling point, it changes from a vapor to a liquid.

• 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

When taking over a shift, the boiler operator must first check the ___.

• steam pressure

• fuel oil supply

• water level on all boilers

• bottom blowdown valves

What is a fire-tube boiler? 

• hot gases go into water, creating a mixture of exhaust and steam
• hot gases pass through a water pipe that provides heat to the surroundings
• hot gases pass through fire-tubes, which continue to the burner
• hot gases pass through steel tubes surrounded by water, and the water is thus heated by the hot gases