BMW H2R: Breaking Records with Hydrogen Power

The video discusses the development of the BMW H2R, a hydrogen-powered car designed to break speed records. The H2R uses a modified BMW 12-cylinder engine to burn hydrogen, producing only water vapor as emissions. The car's design focuses on aerodynamics and lightweight materials to achieve high speeds. Testing at Miramar involved overcoming challenges in hydrogen storage and safety. The H2R successfully set a new speed record, demonstrating the potential of hydrogen combustion technology and its efficiency advantages over traditional fuels.

What is the primary fuel used in the H2R vehicle?

• Petrol

• Diesel

• Hydrogen

• Electricity

What material is used for the outer skin of the H2R to ensure low weight and high stiffness?

• Titanium

• Carbon fiber reinforced plastic

• Steel

• Aluminum

What is a significant challenge in storing liquid hydrogen for the H2R?

• Low viscosity

• Low temperature

• High viscosity

• High temperature

What is the purpose of the diffuser at the rear of the H2R?

• Increase speed

• Minimize drag

• Enhance fuel efficiency

• Improve braking

What is the main difference in the H2R's engine compared to a conventional engine?

• Use of electric motors

• Hydrogen injection valves

• Larger fuel tank

• Higher combustion temperature

How does the combustion temperature of hydrogen compare to gasoline in the H2R?

• Higher than gasoline

• Lower than gasoline

• Same as gasoline

• Varies with speed

What was the top speed achieved by the H2R during its record-setting attempt?

• 250 km/h

• 280 km/h

• 320 km/h

• 307 km/h