Questions and CORRECT Answers
The energy content of Hydrogen per unit of weight has:
-both of these
-seven times energy of coal
-three times energy of gasoline - CORRECT ANSWER - both of these
development of the hydrogen technology would need... - CORRECT ANSWER - substantial
government support
one of the challenges for commercialization of fuel cells is____.
-low voltage of a single fuel cell
-low efficiency
-high cost - CORRECT ANSWER - high cost
Hydrogen bonds occur between molecules of___. - CORRECT ANSWER - H2O
the main components of fuel and electrolytic cells are: - CORRECT ANSWER - quite similar
molecular hydrogen exists in:
-significant quantities in nature
-very large quantities in nature
-small quantities in nature - CORRECT ANSWER - small quantities
commercialization of fuel cell technologies is mainly for: - CORRECT ANSWER - portable,
stationary and automotive power generation applications
, the electrolytic production of hydrogen is: - CORRECT ANSWER - a fully-developed
technology
The stationary fuel cells are on market in:
-US
-Japan
-both - CORRECT ANSWER - both
If deuterium fuses with tritium, the nuclear reaction output will be:
-neutron, helium, and energy
-only neutron
-neutron and helium - CORRECT ANSWER - neutron, helium, and energy
methane is - CORRECT ANSWER - a molecular compound
the carbon-to-hydrogen ration in methane is: - CORRECT ANSWER - 1:4
the country that has pledged a carbon neutral economy is:
-US
-Germany
-None of these - CORRECT ANSWER - none of these
Hydrogen has how many isotopes? - CORRECT ANSWER - three
A fuel cell generates electricity by
-electrochemically converting chemical energy
-directly combusting a fuel
-both - CORRECT ANSWER - electrochemically converting chemical energy