Hydrogen and Oxygen Used to Generate Electricity

With reference to ‘fuel cells’ in which hydrogen-rich fuel and oxygen are used to generate electricity. Consider the following statements:
1. If pure hydrogen is used as a fuel, the fuel cell emits heat and water as by-products.
2. Fuel cells can be used for powering buildings and not for small devices like laptop computers.
3. Fuel cells produce electricity in the form of Alternating Current (AC).
Which of the statements given above is / are correct?

  1. 1 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3
Monis Rasool Professor Asked on 26th August 2015 in Technology.
Add Comment
  • 1 Answer(s)

    Answer :  (1) 1 only
    If pure hydrogen is used as a fuel, the fuel cell emits heat and water as by-products.

    Anurag Mishra Professor Answered on 27th August 2015.
    Add Comment
  • Your Answer

    By posting your answer, you agree to the privacy policy and terms of service.