and answers with solutions 2025
A system of pipes painted black that have water circulating on the wall in a glass greenhouse on
the south side of a building is an example of - ANSWER An active solar heating system
Most of the world's nuclear reactors are of the _____________ type. - ANSWER Pressurized
water (PWR)
In terms of generating electricity, fuel cells are _________ than thermal-conversion machines
because the chemical energy of a fuel is _______. - ANSWER More efficient; converted directly
into electricity without an intermediate combustion cycle.
The US Department of Energy plans to deposit high-level nuclear waste at _________________
for long term storage. - ANSWER Yucca Mountain, Nevada
Biofuels can be produced commercially using all of the following except - ANSWER Algae
(True or False) - The down side of using palm oil as a biofuel is the loss of nutrients being placed
back into the soil from decomposition of dead vegetation. - ANSWER False
A major factor in the conversion from fossil fuels to renewable forms of energy is - ANSWER
infrastructure.
Most of our energy waste in North America results from - ANSWER technological inefficiency.
Sweden, Denmark, and Switzerland have higher standards of living by most measures than
Americans or Canadians - ANSWER even though their energy use is much less than ours.
, (True or False) - Tidal power stations operate by using the energy from waves as they crash on
the shore. - ANSWER False
(True or False) - The largest oil supply in the Americas comes from tar sands. - ANSWER True
(True or False) - Energy is the capacity to do work. - ANSWER True
(True or False) - Cogeneration is the combined production of methane and coal - ANSWER False
A reason to encourage green building designs would be that - ANSWER it would save money
that would be spent on energy needs.
In the United States and Canada, the most common problem with using wood as a major heat
source is - ANSWER the production of pollutants.
Worldwide, coal deposits are - ANSWER widespread and extensive.
The United States, making up less than 5 percent of the world's population, uses more than ___
of the world's commercial energy production. - ANSWER 1/4
Since the 1920s, hydropower production has ________________. - ANSWER risen, but not as
fast as fossil fuel use.
Which country is the world leader in wind energy? - ANSWER Denmark
Which of the following statements is true? - ANSWER The United States has only enough proven
oil supplies to last 4 years at current rates of consumption.