Exploring the Inner Workings of a Steam Locomotive Boiler

What is the cost of the new custom-built boiler at the California Railroad Museum?

• $800,000

• $700,000

• $600,000

• $500,000

What is the primary function of the firebox in the boiler?

• To control the engine

• To release steam

• To burn coal or oil

• To store water

How is the steam pressure in the boiler similar to a household item?

• Like a tea kettle

• Like a pressure cooker

• Like a refrigerator

• Like a microwave

Tags

NGSS.MS-PS3-3

What is inside the steam dome that the engineer controls?

• A valve

• A wheel

• A rod

• A piston

Where does the high-pressure steam go after leaving the steam dome?

• To the wheels

• To the front of the engine

• To the tender

• To the firebox

Tags

NGSS.MS-PS3-3

What action does the piston perform in the cylinder?

• It controls the valve

• It pushes the rods

• It stores water

• It burns coal

What creates the chugging sound in the steam engine?

• The firebox burning coal

• The wheels turning

• The steam escaping and smoke

• The engineer opening the valve