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Energy Resources
One difficulty with the process of using hydrogen as a power source is that it ________.
is not properly understood
is less efficient than fossil fuels
requires a fuel that is a nonrenewable resource
requires an energy investment to begin the process
Author:
rikazzz
Comment
Energy Resources
Theoretically, global ocean energy resources are estimated to be over
32,000GW
32,900GW
33,000GW
32,100GW
Author:
rikazzz
Comment
Energy Resources
The largest problem with adopting the new technology of renewable resources is ________.
in evaluating the scientific and economic impacts
that the startup costs are high
that long term maintenance costs are higher than those for fossil fuels
that technological advances have not been made in the last 30 years to meet our energy needs
Author:
rikazzz
Comment
Energy Resources
Horizontal axis and vertical axis are the types of:
Nuclear reactor
Wind mills
Biogas reactor
Solar cell
Author:
rikazzz
Comment
Energy Resources
Steam reforming is currently the least expensive method of producing:
Coal
Biogas
Hydrogen
Natural gas
Author:
rikazzz
Comment
Energy Resources
One advantage of using hydrogen fuel cells is ________.
the potential for production of greenhouse gases
the ease of transporting and storage
the energy efficiency
that they are nonpolluting
Author:
rikazzz
Comment
Energy Resources
The one thing that is common to all fossil fuels is that they:
Were originally formed in marine environment
Contain carbon
Have undergone the same set of geological processes during their formation
Represent the remains of one living organisms
Author:
rikazzz
Comment
Energy Resources
Windmill towers are generally more productive if they are ________.
higher, to minimize turbulence and maximize wind speed
lower, to minimize turbulence and maximize wind speed
higher, to minimize the number of birds that interfere with blade turning
lower, to increase heat convection from the ground
Author:
rikazzz
Comment
Energy Resources
Whether a hydrogen based energy system is environmentally cleaner than a fossil fuel system depends on ________.
the car driven
the source of oxygen used for the process
how the hydrogen is extracted
governmental incentives for research
Author:
rikazzz
Comment
Energy Resources
The Tapal wind farm is located at the
Sindh
Kashmir
Balochistan
KPK
Author:
rikazzz
Comment
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