General Science

FUEL CELL MCQs

Total Questions : 27

Page 1 of 3 pages
Question 1. What is a disadvantage of using solar photovoltaic cells to provide electricity in a spacecraft?
  1.    Photovoltaic cells have lots of moving parts
  2.    Photovoltaic cells release toxic byproducts
  3.    Photovoltaic cells only work when the spacecraft is in direct sunlight
  4.    none of the above
 Discuss Question
Answer is Option C. -> Photovoltaic cells only work when the spacecraft is in direct sunlight
Question 2. How much money did Scotland use to make a fuel cell refueling station?
  1.    100,000
  2.    3.3 Million Dollars
  3.    3.3 Million Pounds
  4.    61 Dollars
 Discuss Question
Answer is Option C. -> 3.3 Million Pounds
Question 3. What is the fuel for a fuel cell?
  1.    Oxygen
  2.    Hydrogen-rich Fuels
  3.    Ozone
  4.    Water
 Discuss Question
Answer is Option B. -> Hydrogen-rich Fuels
Question 4. What are the main components of a chemical cell?
  1.    An anode, a cathode
  2.    An anode, a cathode and an electrolyte
  3.    An anode and an electrolyte
  4.    A cathode and an electrolyte
 Discuss Question
Answer is Option B. -> An anode, a cathode and an electrolyte
Question 5. How does the reactivity of the metal electrodes affect the size of the potential difference?
  1.    The lower the difference in reactivity, the greater the potential difference.
  2.    The greater the difference in reactivity, the lower the potential difference.
  3.    The greater the difference in reactivity, the greater the potential difference.
  4.    The lower the difference in reactivity, the lower the potential difference.
 Discuss Question
Answer is Option C. -> The greater the difference in reactivity, the greater the potential difference.
Question 6. How much money per kilowatt did it cost for fuel cells in the 1900's
  1.    100,000 dollars
  2.    61 dollars
  3.    1,000 dollars
  4.    100 dollars
 Discuss Question
Answer is Option C. -> 1,000 dollars
Question 7. Why do hydrogen fuel cells produce water as a tail pipe emission
  1.    It takes the left over water from your cup.
  2.    The hydrogen used to power the car combines with a oxygen to make water
  3.    The car is thirsty
  4.    none of the above
 Discuss Question
Answer is Option B. -> The hydrogen used to power the car combines with a oxygen to make water
Question 8. Which one is not the advantage of fuel cell
  1.    Higher efficiency than conventional engines
  2.    Zero emission
  3.    Long operating period between failures
  4.    Pure hydrogen is difficult to handle
 Discuss Question
Answer is Option D. -> Pure hydrogen is difficult to handle
Question 9. What is the main fuel cell company called in Scotland?
  1.    The Hydrogen Fuel Company
  2.    Fuel association
  3.    The Scottish Hydrogen & Fuel Cell Association
  4.    The Scottish Fuel Cell Association
 Discuss Question
Answer is Option C. -> The Scottish Hydrogen & Fuel Cell Association
Question 10. What type of reaction takes place in a chemical cell
  1.    Exothermic
  2.    Endothermic
  3.    No reaction occurs
  4.    All of above
 Discuss Question
Answer is Option A. -> Exothermic