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FUEL CELL MCQs

Total Questions : 27 | Page 2 of 3 pages
Question 11. What does the potential difference of a cell depend on?
  1.    The anode and cathode.
  2.    The type of electrolyte and fuel
  3.    Whether it's alkali or not
  4.    The type of electrode and the electrolyte.
 Discuss Question
Answer: Option D. -> The type of electrode and the electrolyte.
Question 12. 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?
  1.    Electrolyte
  2.    Catalyst
  3.    Gas Diffusion
  4.    Bipolar plate
 Discuss Question
Answer: Option D. -> Bipolar plate
Question 13. What is one problem with fuel cells
  1.    They are innefficient
  2.    They produce harmful chemicles
  3.    It is difficult to supply them with fuel
  4.    They can't help make gasoline
 Discuss Question
Answer: Option C. -> It is difficult to supply them with fuel
Question 14. What happens to hydrogen molecules in a hydrogen-oxygen fuel cell?
  1.    They form hydrogen ions, H+ , and electrons, e-
  2.    They form hydrogen ions, H+ , and electrons, e+
  3.    They form hydrogen atoms, H
  4.    All of above
 Discuss Question
Answer: Option A. -> They form hydrogen ions, H+ , and electrons, e-
Question 15. Which market needs fuel cells to produce electricity to power residences?
  1.    Stationary Sector
  2.    Transportation Sector
  3.    Portable Sector
  4.    Aerospace Sector
 Discuss Question
Answer: Option A. -> Stationary Sector
Question 16. How many regions can the polarization curve be divided?
  1.    One
  2.    Two
  3.    Three
  4.    Four
 Discuss Question
Answer: Option C. -> Three
Question 17. Which region voltage losses occur when the electrochemical reactions are slow to produce current?
  1.    Activation overpotential
  2.    Ohmic overpotential
  3.    Concentration overpotential
  4.    Electrochemical overpotential
 Discuss Question
Answer: Option A. -> Activation overpotential
Question 18. Where did we say fuel cells were are used?
  1.    Switzerland
  2.    Scotland
  3.    Norway
  4.    USA
 Discuss Question
Answer: Option B. -> Scotland
Question 19. Who was the Father of Fuel Cells?
  1.    Thomas Grubb
  2.    William Grove
  3.    William Nicholson
  4.    William Jacques
 Discuss Question
Answer: Option B. -> William Grove
Question 20. What is a fuel cell?
  1.    A cell which uses hydrogen to generate electricity.
  2.    A cell which uses oxygen (or air) to generate electricity.
  3.    A cell which uses a fuel to generate electricity.
  4.    A cell which uses a fuel and oxygen (or air) to generate electricity.
 Discuss Question
Answer: Option D. -> A cell which uses a fuel and oxygen (or air) to generate electricity.

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