Steam engine lesson

What is the primary purpose of boiling water in steam-powered locomotives?

• To cool down the engine

• To turn fuel into power

• To clean the locomotive

• To provide drinking water for passengers

What percentage of our electricity is made using steam?

• Exactly 90%

• More than 75%

• Less than 30%

• About 50%

What does the steam process convert heat energy from fire into?

• Solar energy

• Pressure energy

• Wind energy

• Chemical energy

What is the configuration of Nashville, Chattanooga, and St. Louis locomotive number 576?

• 2-8-4

• 4-8-4

• 6-4-2

• 4-6-2

What is stored in the tender of a steam locomotive?

• Passengers

• Spare parts

• Luggage

• Fuel and water

What happens if the water level in the boiler gets too low?

• The fire goes out

• The locomotive speeds up

• The firebox could melt

• It produces more steam

What is the purpose of flues in a steam locomotive?

• To let out excess steam

• To create more surface area for water to absorb heat

• To store extra fuel

• To cool down the engine

What does the steam do after being superheated in engines like 576?

• Cools down immediately

• Condenses back into water

• Expands more and uses less water

• Turns into ice

What effect causes a draft on the fire when steam shoots through the smoke box?

• The Galileo effect

• The Einstein effect

• The Bernoulli effect

• The Newton effect

What year was locomotive number 576 retired?

• 1962

• 1972

• 1942

• 1952