book no.3 part 1

What makes an internal combustion engine work?

• Continuous air flow through fans
• Burning fuel in chambers
• Compressing gas without fire
• Using electric magnets for movement
• Filtering air from the environment

What is the primary fuel used in most traditional car engines?

• Water vapor
• Vegetable oil
• Hydrocarbons
• Hydrogen
• Wood pellets

What feature made early electric cars popular in the 1800s?

• Strong engines for racing
• Easy refueling options
• Long-lasting batteries
• Quiet and clean operation
• Advanced GPS technology

Which part moves up and down in a reciprocating engine?

• Belt
• Valve
• Coil
• Piston
• Shaft

What unique sound is associated with the Wankel rotary engine?

• Hissing
• Roaring
• Clicking
• Humming
• Buzzing

Which type of engine works more like a fan than a hammer?

• Heat engine
• Reciprocating engine
• Gas turbine engine
• Diesel engine
• Rotary engine

What makes biodiesel a cleaner option than regular diesel?

• Lower production costs
• Uses recycled metals
• Comes from plant-based oils
• Works with wind power
• Requires no combustion

Who would MOST LIKELY choose a hydrogen engine car today?

• Someone who enjoys noisy engines
• A person who lives in rural areas
• A driver wanting fast, smooth rides
• A driver who wants zero emissions
• Someone avoiding maintenance

Which type of engine would MOST LIKELY be found in an airplane?

• Rotary engine
• Gas turbine engine
• Reciprocating piston engine
• Otto engine
• Diesel engine

What would someone MOST LIKELY notice about the Wankel engine design?

• Loud vibration
• High weight
• Unique shape
• Long lifespan
• Strong brakes