EGEE 420 Exam 1 2025 Questions and
Answers
The carbon-to-hydrogen ratio in methane is
1:4
1:1
4:1 - ....ANSWER ...-1:4
A fuel cell generates electricity by
-directly combusting a fuel
-both of these
-electrochemically converting chemical energy - ....ANSWER ...-electrochemically
converting chemical energy
The country that has pledged a carbon neutral economy is
-U.S.A.
-none of these
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1
,-Germany - ....ANSWER ...-none of these
Hydrogen bonds occur between molecules of
- HCl
-H2O
-CH4 - ....ANSWER ...-H2O
If deuterium fuses with tritium, the nuclear reaction output will be
-neutron and helium
-neutron, helium, and energy
-only neutron - ....ANSWER ...-neutron, helium, and energy
Cost of the hydrogen production via water electrolysis using solar and wind power
generation is
-high
-moderate
-low - ....ANSWER ...-high
One of the best options to make the power generation sustainable is the hydrogen
-production, storage and use
-production and storage
-production - ....ANSWER ...-production, storage and use
The main components of fuel and electrolytic cells are
-absolutely different
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,-quite similar
-quite different - ....ANSWER ...-quite similar
Methane is
-a metallic hydride
-a saline hydrate
-a molecular compound - ....ANSWER ...-a molecular compound
The stationary fuel cells are on market
-in Japan
-in USA
-both of these - ....ANSWER ...-both of these
Hydrogen has
-one isotope
-three isotopes
-two isotopes - ....ANSWER ...-three isotopes
Hydrogen is chemically/electrochemically most active as
-H3
-H2
-H - ....ANSWER ...-H
The electrolytic production of hydrogen is
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 3
, -an undeveloped technology
-an unknown technology
-a fully-developed technology - ....ANSWER ...-a fully-developed technology
Generally, fuel cells can be fueled by
-both of these
-CH4
-H2 - ....ANSWER ...-both of these
Currently, the most valuable motivation for developing the hydrogen economy
-environmental
-economical
-political - ....ANSWER ...-environmental
Development of the hydrogen technology would need
-substantial government support
-minor government support
-no government support - ....ANSWER ...-substantial government support
The energy content of hydrogen per unit of weight has
-seven times of energy of coal
-three times the energy of gasoline
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 4
Answers
The carbon-to-hydrogen ratio in methane is
1:4
1:1
4:1 - ....ANSWER ...-1:4
A fuel cell generates electricity by
-directly combusting a fuel
-both of these
-electrochemically converting chemical energy - ....ANSWER ...-electrochemically
converting chemical energy
The country that has pledged a carbon neutral economy is
-U.S.A.
-none of these
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1
,-Germany - ....ANSWER ...-none of these
Hydrogen bonds occur between molecules of
- HCl
-H2O
-CH4 - ....ANSWER ...-H2O
If deuterium fuses with tritium, the nuclear reaction output will be
-neutron and helium
-neutron, helium, and energy
-only neutron - ....ANSWER ...-neutron, helium, and energy
Cost of the hydrogen production via water electrolysis using solar and wind power
generation is
-high
-moderate
-low - ....ANSWER ...-high
One of the best options to make the power generation sustainable is the hydrogen
-production, storage and use
-production and storage
-production - ....ANSWER ...-production, storage and use
The main components of fuel and electrolytic cells are
-absolutely different
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 2
,-quite similar
-quite different - ....ANSWER ...-quite similar
Methane is
-a metallic hydride
-a saline hydrate
-a molecular compound - ....ANSWER ...-a molecular compound
The stationary fuel cells are on market
-in Japan
-in USA
-both of these - ....ANSWER ...-both of these
Hydrogen has
-one isotope
-three isotopes
-two isotopes - ....ANSWER ...-three isotopes
Hydrogen is chemically/electrochemically most active as
-H3
-H2
-H - ....ANSWER ...-H
The electrolytic production of hydrogen is
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 3
, -an undeveloped technology
-an unknown technology
-a fully-developed technology - ....ANSWER ...-a fully-developed technology
Generally, fuel cells can be fueled by
-both of these
-CH4
-H2 - ....ANSWER ...-both of these
Currently, the most valuable motivation for developing the hydrogen economy
-environmental
-economical
-political - ....ANSWER ...-environmental
Development of the hydrogen technology would need
-substantial government support
-minor government support
-no government support - ....ANSWER ...-substantial government support
The energy content of hydrogen per unit of weight has
-seven times of energy of coal
-three times the energy of gasoline
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 4
