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EGEE 420 EXAM 1 QUESTIONS WITH CORRECT ANSWERS 2024
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Exam of 7 pages for the course EGEE at EGEE (EGEE 420 EXAM 1)
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EGEE 420 EXAM 1The energy content of Hydrogen per unit of weight has:
-both of these
-seven times energy of coal
-three times energy of gasoline - answer both of these
development of the hydrogen technology would need... - 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 - answer high cost
Hydrogen bonds occur between molecules of___. - answerH2O
the main components of fuel and electrolytic cells are: - answer quite similar
molecular hydrogen exists in:
-significant quantities in nature
-very large quantities in nature
-small quantities in nature - answer small quantities
commercialization of fuel cell technologies is mainly for: - answer portable, stationary
and automotive power generation applications
the electrolytic production of hydrogen is: - answera fully-developed technology
The stationary fuel cells are on market in:
-US
-Japan
-both - answerboth
If deuterium fuses with tritium, the nuclear reaction output will be:
-neutron, helium, and energy
-only neutron
-neutron and helium - answerneutron, helium, and energy
methane is - answera molecular compound
the carbon-to-hydrogen ration in methane is: - answer1:4
, the country that has pledged a carbon neutral economy is:
-US
-Germany
-None of these - answernone of these
Hydrogen has how many isotopes? - answerthree
A fuel cell generates electricity by
-electrochemically converting chemical energy
-directly combusting a fuel
-both - answerelectrochemically converting chemical energy
Hydrogen is chemically/electrochemically most active as:
-H
-H2
-H3 - answerH
Generally, FCs can be fueled by:
-CH4
-H2
-both - answerboth
cost of the hydrogen production via water electrolysis using solar-wind power
generation is:
-high
-low
-moderate - answerhigh
currently, the most valuable motivation for developing the hydrogen economy:
-environmental
-political
-economical - answerenvironmental
one of the best options to make the power generation sustainable is the hydrogen:
-production
-production, storage, use
-production and storage - answerproduction, storage, use
Pt:
-can form an s-block hydride
-can form a metallic hydride
-can not form a metallic hydride - answercan NOT form a metallic hydride
The Daniell Cell's electrodes are:
-two gas electrodes
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