Fuel Cell Quiz

What does a fuel cell take in and what does it put out?

• Takes in oxygen and puts out hydrogen gas

• Takes in hydrogen and puts out electricity and water vapor

• Takes in water vapor and puts out electricity and hydrogen gas

• Takes in electricity and puts out hydrogen and oxygen

Which component of a fuel cell allows the passage of ions?

• Anode

• Cathode

• Membrane (electrolyte)

• Hydrogen gas

What is the role of oxygen in a fuel cell?

• It is used to generate hydrogen gas

• It combines with hydrogen to produce water vapor and heat

• It is converted into electricity

• It is used to cool down the fuel cell

What is produced as a byproduct in a fuel cell?

• Carbon dioxide

• Methane

• Water vapor and heat

• Nitrogen gas

Which type of energy source is shown to be more efficient in the provided diagram?

• Combustion

• Hydrogen fuel cell

• Solar power

• Wind energy

According to the diagram, what is a significant byproduct of combustion engines?

• Water

• Work energy

• Waste heat

• Electricity

How much more efficient are hydrogen fuel cells compared to gasoline cars, as stated in the image?

• Half as efficient

• Twice as efficient

• Three times as efficient

• Four times as efficient

What is the lightest of all gases and a versatile, clean, and flexible energy carrier?

• Oxygen

• Nitrogen

• Hydrogen

• Helium

Which of the following is NOT a renewable source for producing hydrogen?

• Wind

• Solar

• Biomass

• Coal

Which process is currently used today for producing hydrogen from natural gas?

• Electrolysis

• Steam methane reforming

• Photolysis

• Gasification