Q.1
The reactions in the catalyst layers are endothermic; therefore, heat must be transported into the cell.
  • True
  • False
Q.2
A PEM fuel cell stack is made up of bipolar plates, ____________, and end plates.
  • membrane electrode assemblies
  • proton exchange membrane
  • electrolytes
Q.3
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
Q.4
How many regions can the polarization curve be divided?
  • One
  • Two
  • Three
  • Four
Q.5
Which region voltage losses occur when the electrochemical reactions are slow to produce current?
  • Activation overpotential
  • Ohmic overpotential
  • Concentration overpotential
  • Electrochemical overpotential
Q.6
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
Q.7
Increasing the number of cells in the stack (connected in series) increases the ____________.
  • voltage
  • current
  • resistance
  • capacitance
Q.8
Increasing the surface area of the cells increases the ____________.
  • voltage
  • current
  • resistance
  • capacitance
Q.9
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
Q.10
Who was the Father of Fuel Cells?
  • Thomas Grubb
  • William Grove
  • William Nicholson
  • William Jacques
Q.11
Which one below is not a major reason to develop automotive fuel cell technology?
  • Efficiency
  • Low capacitance
  • Low or zero emissions
  • Local source production
Q.12
Most automobiles use PEM fuel cells and what other type of fuel cells?
  • Alkaline
  • Phosphoric acid
  • Molten carbonate
  • Direct methanol
Q.13
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
Q.14
The ___________ fuel cell uses potassium hydroxide as the electrolyte.
  • Solid Oxide
  • Phosphoric Acid
  • Alkaline
  • Polymer Exchange Membrane
Q.15
The ___________ fuel cell is a poor ionic conductor at lower temperatures.
  • Molten-Carbonate
  • Alkaline
  • Phosphoric Acid
  • Solid Oxide
Q.16
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
Q.17
Which type of fuel cell operates at the highest operating temperature (degrees Fahrenheit)?
  • Alkaline
  • Phosphoric Acid
  • Solid Oxide
  • Molten-Carbonate
Q.18
A process that uses waste energy to produce heat or electricity.
  • Cogeneration
  • Electrolysis
  • Recycling
  • Oxidation
Q.19
The ___________ fuel cell does not run on hydrogen.
  • Alkaline
  • Phosphoric Acid
  • Solid Oxide
  • Direct methanol
Q.20
Methanol offers _______ times the energy per volume compared to hydrogen.
  • two
  • three
  • four
  • five
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