MFC 04-06-2021

Which of the following is continuously replaced in a fuel cell?

• Oxidiser

• Fuel

• Both fuel and oxidiser

• None of the above

Which of the following does not affect the reactions in a fuel cell?

• Electrolyte composition

• Electrode composition

• A combination of fuel and oxidiser

• Catalytic effect of the reaction container

Who invented the fuel cell?

• Mathew Maury

• Gideon Sundback

• Robert Bunsen

• William Grove

The standard emf is ________ for hydrogen-oxygen fuel cells.

• 3.96 V

• 1.23 V

• 0.58 V

• 2.54 V

______________ and suitable catalyst are required to promote high rate of electrode processes.

• Lower temperature

• Higher temperature

• Moderate temperature

• Very low temperature