Quiz  /  Fuel Cell Class 12 MCQ Questions With Answers

  • 1. 
    The ___________ fuel cell uses potassium hydroxide as the electrolyte.

  • Solid Oxide
  • Phosphoric Acid
  • Alkaline
  • Polymer Exchange Membrane

  • 2. 
    Which region voltage losses occur when the electrochemical reactions are slow to produce current?

  • Activation overpotential
  • Ohmic overpotential
  • Concentration overpotential
  • Electrochemical overpotential

  • 3. 
    How many regions can the polarization curve be divided?

  • One
  • Two
  • Three
  • Four

  • 4. 
    What refueling option the US Department of Energy supports?

  • On-board hydrogen storage with home or standard stations
  • On-board production of hydrogen from conventional fuels

  • 5. 
    A PEM fuel cell stack is made up of bipolar plates, ____________, and end plates.

  • membrane electrode assemblies
  • proton exchange membrane
  • electrolytes

  • 6. 
    Methanol offers _______ times the energy per volume compared to hydrogen.

  • two
  • three
  • four
  • five

  • 7. 
    Which inventors developed the PEM fuel cell technology at General Electric?

  • Ludwig Mond and Carl Langer
  • Charles Wright and C. Thompson
  • Thomas Grubb and Leonard Niedrach
  • Louis Cailleteton and Louis Colardeau

  • 8. 
    The reactions in the catalyst layers are endothermic; therefore, heat must be transported into the cell.

  • True
  • False

  • 9. 
    Which type of fuel cell has electrolyte made of a liquid solution of lithium, sodium and potassium carbonates?

  • Molten-Carbonate
  • Solid Oxide
  • Phosphoric Acid
  • Direct methanol

  • 10. 
    Which region is due to mass transport limitations where the rates of the electrochemical reactions within the catalyst layers are hindered by a lack of reactants?

  • Activation overpotential
  • Ohmic overpotential
  • Concentration overpotential
  • Electrochemical overpotential

  • 11. 
    Which layer enables the fuel cell to conduct its electrons by attracting the hydrogen protons that are sent to the cathode?

  • Electrolyte
  • Catalyst
  • Gas Diffusion
  • Bipolar plate

  • 12. 
    Which type of fuel cell operates at the highest operating temperature (1800 degrees Fahrenheit)?

  • Alkaline
  • Phosphoric Acid
  • Solid Oxide
  • Molten-Carbonate

  • 13. 
    Which region is due to the resistance of the transport of charged species in the PEM, catalyst and gas diffusion layers, and bipolar plates?

  • Activation overpotential
  • Ohmic overpotential
  • Concentration overpotential
  • Electrochemical overpotential

  • 14. 
    Which market needs fuel cells to produce electricity to power residences?

  • Stationary Sector
  • Transportation Sector
  • Portable Sector
  • Aerospace Sector

  • 15. 
    Which one below is not a major reason to develop automotive fuel cell technology?

  • Efficiency
  • Low capacitance
  • Low or zero emissions
  • Local source production

  • 16. 
    The ___________ fuel cell is a poor ionic conductor at lower temperatures.

  • Molten-Carbonate
  • Alkaline
  • Phosphoric Acid
  • Solid Oxide

  • 17. 
    Which layer distribute fuel and oxidant within the cell, separate the individual cells in the stack, collect the current, carry water away from each cell, humidify gases, and keep cells cool?

  • Electrolyte
  • Catalyst
  • Gas Diffusion
  • Bipolar plate

  • 18. 
    Which layer does the conversion of chemical energy of reactants to electrical energy, heat and water occur?

  • Catalyst layer
  • Electrolyte layer
  • Gas Diffusion layer

  • 19. 
    The half-equation for the reaction occurring at the (+) electrode in a hydrogen-oxygen fuel which has an alkaline electrolyte would be

  • H2(g) + 2OH-(aq)→ 2H2O(l) + 2e-
  • H2(g) → 2H+(g) + 2e-
  • O2(g) + 4H+(aq) + 4e- → 2H2O(l)
  • O2(g) + 2H2O(l) + 4e- → 4OH- (aq)

  • 20. 
    In a fuel cell based on the oxidation of methane, the equation for the anode half-reaction is:CH4(g) + 2H2O(l) → CO2(g) + 8H+(aq) + 8e-The corresponding equation for the half-reaction at the cathode is

  • 2H2O(l) + 4e- → 4H+(aq) + O2(g)
  • 4H+(aq) + O2(g) → 2H2O(l)
  • 2H2O(l) → 4H+(aq) + O2 (g) + 4e-
  • 4H+(aq) + O2(g) + 4e- → 2H2O(l)

  • 21. 
    A simplified diagram of the phosphoric acid fuel cell (PAFC), and their half-reactions are shown. The cell operates at 190oC using an electrolyte of liquid phosphoric acid.During operation of the PAFC, electrode I is

  • positively charged, and the pH near the electrode will increase
  • positively charged, and the pH near the electrode will decrease
  • negatively charged, and the pH near the electrode will increase
  • negatively charged, and the pH near the electrode will decrease

  • 22. 
    The energy released in a chemical reaction is directly converted to electrical energy in al

  • solar cell
  • electrolytic cell
  • fossil-fuel power station
  • hydrogen/oxygen fuel cell

  • 23. 
    A fuel cell currently under development for powering small electronic devices is based on the reaction of methanol and oxygen using an acidic electrolyte. The reductant in the cell reaction and the half-reaction at the anode are

  • Methanol; O2(g) + 4H+(aq) + 4e- → 2H2O(l)
  • Oxygen; O2(g) + 4H+(aq) + 4e- → 2H2O(l)
  • Methanol; CH3OH(g) + H2O(l) → CO2(g) + 6H+(aq) + 6e-
  • Oxygen; CH3OH(g) + H2O(l) → CO2(g) + 6H+(aq) + 6e-

  • 24. 
    Does hydrogen produce more co2 than electric vehicles

  • True
  • False

  • 25. 
    Methane gas is used as a fuel in an acidic fuel cell. The half-equation occurring at the anode will be

  • O2(g) + 4H+(aq) + 4e- →2H2O(g)
  • CH4(g) + 2H2O(g) → CO2(g) + 8H+ (aq) + 8e-
  • CH4(g) + 4H+(g)→ CO2(g) + 4H2O(l)
  • CO2(g) + 8H+(aq) + 8e- → CH4(g) + 2H2O(g)

  • 26. 
    Are fuel cells completely clean and produce no emissions.

  • Yes
  • No
  • Maybe but you can donate to hydrogen fuel research.

  • 27. 
    What is the most effective fuel for a fuel cell.

  • Natural gasses.
  • Solar hydrogen.
  • Pure hydrogen.

  • 28. 
    How do fuel cells produce energy (look at the image)

  • The hydrogen gives of oxygen to create energy then recombine to create water.
  • Oxygen enters then gives of a electron then combines with hydrogen to create water.
  • Hydrogen gives of an electron then recombined with the electron and oxygen to create water.
  • All of the above

  • 29. 
    Why are fuel cell vehicles better than conventional.

  • It has no tail pipe emissions.
  • It uses hydrogen not fossil fuels for the fuel.
  • All of the above.
  • can go twice as far as a conventional vehicle on 1 gallon.

  • 30. 
    Do hydrogen fuels use gasoline

  • True
  • False
Report Question
warning
access_time
  Time