EGEE 101 Final Questions With Complete Solutions
A Btu is defined as the amount of energy required to raise the
termperature of one lb of water by one degree Celsius Correct
Answers False
A calorie is defined as the amount of energy required to raise the
termperature of one lb of water by one degree Celsius Correct
Answers False
A hydropower dam is rated for 1 GW power generation. The
annual energy output is 4380 GWh. What percentage of its
capacity is used? Correct Answers 50%
A power plant produces 50 MJ of useful energy and 100 MJ of
wasted heat. What is the Efficiency? Correct Answers 33%
A power plant produces 50 MJ of useful energy and 200 MJ of
wasted heat. What is the Efficiency? Correct Answers 20%
A proximate analysis shows that a certain lignite coal is 10%
moisture, 30% volatiles, and 10% ash. What is the % fixed
carbon? Correct Answers 50%
a technology that extracts energy out of waves Correct Answers
tidal energy
After a uranium based fuel rod has spent 3 years in a reactor,
how much of its uranium has been used? Correct Answers 10%
, Approximately how much stronger do climate models predict
extreme weather like hurricanes will become by 2100? Correct
Answers 10%
As population increases, energy consumption increases Correct
Answers True
At current US reserves, how long will coal last? Correct
Answers 283 years
At current US reserves, how long will natural gas last? Correct
Answers 86 years
Betz's law dictates that the maximum efficiency that can be
achieved with a wind turbine is Correct Answers 59%
Biomass is essentially carbon neutral Correct Answers true
For a given dam, if h = 3 meters, q = 3 cubic meters per second,
and efficiency is 50%, what is the power output in watts?
Assume 9.81 for gravity Correct Answers 44,145 Watts
Geothermal Power plants are best when located Correct
Answers Near rift zones
How long has hydraulic fracturing "fracking" been being
performed in the US? Correct Answers since 1947
How many ranks of coal are there? Correct Answers 4
A Btu is defined as the amount of energy required to raise the
termperature of one lb of water by one degree Celsius Correct
Answers False
A calorie is defined as the amount of energy required to raise the
termperature of one lb of water by one degree Celsius Correct
Answers False
A hydropower dam is rated for 1 GW power generation. The
annual energy output is 4380 GWh. What percentage of its
capacity is used? Correct Answers 50%
A power plant produces 50 MJ of useful energy and 100 MJ of
wasted heat. What is the Efficiency? Correct Answers 33%
A power plant produces 50 MJ of useful energy and 200 MJ of
wasted heat. What is the Efficiency? Correct Answers 20%
A proximate analysis shows that a certain lignite coal is 10%
moisture, 30% volatiles, and 10% ash. What is the % fixed
carbon? Correct Answers 50%
a technology that extracts energy out of waves Correct Answers
tidal energy
After a uranium based fuel rod has spent 3 years in a reactor,
how much of its uranium has been used? Correct Answers 10%
, Approximately how much stronger do climate models predict
extreme weather like hurricanes will become by 2100? Correct
Answers 10%
As population increases, energy consumption increases Correct
Answers True
At current US reserves, how long will coal last? Correct
Answers 283 years
At current US reserves, how long will natural gas last? Correct
Answers 86 years
Betz's law dictates that the maximum efficiency that can be
achieved with a wind turbine is Correct Answers 59%
Biomass is essentially carbon neutral Correct Answers true
For a given dam, if h = 3 meters, q = 3 cubic meters per second,
and efficiency is 50%, what is the power output in watts?
Assume 9.81 for gravity Correct Answers 44,145 Watts
Geothermal Power plants are best when located Correct
Answers Near rift zones
How long has hydraulic fracturing "fracking" been being
performed in the US? Correct Answers since 1947
How many ranks of coal are there? Correct Answers 4
