EGEE 101 exam 1 practice quizzes 2025
Questions and Answers
The electromagnetic spectrum covers a range of wavelength values. What is the closest
in size to the wavelength for microwaves. - ....ANSWER ...-golf ball
We have looked at solar energy for heat and light but it can also be used for electricity
generation (more when we do renewables). What is the higher level term for solar cells?
One word answer expected (12 letters, begins with "p", ends in "c") -
....ANSWER ...-photovoltaic
What is the unit for how much electricity is used? - ....ANSWER ...-kWh
What is always missing from a passive solar system? - ....ANSWER ...-electricity
There are three types of heat transfer. Which would best describe why you would burn
yourself if you picked up a hot poker left in a fire? - ....ANSWER ...-conductive
There are a couple of "new" coal-fired electricity electricity generation technologies that
are much cleaner and more CO2 sequestration ready than current plants. One is oxy-fuel
combustion, the other is [answer]. - ....ANSWER ...-gasification
Why did we use large amounts of fossil fuel and nuclear derived electricity when
renewable energy was available? - ....ANSWER ...-it was much cheaper
Place these in the correct order (you should also know what this is referring to) (steam
power plant cycle picture) - ....ANSWER ...-highest - ultra supercritical steam
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1
, high - supercritical steam cycle
lower - steam cycle
Wind power is becoming cheaper (generally). In what year did the capacity growth
"take-off" significantly with ~10GW of capacity. - ....ANSWER ...-NOT 2004
Why is higher temperature steam an advantage in steam-cycle systems? -
....ANSWER ...-higher efficiency electricity generation
One of the problems with wind power (and some other renewables) is that it is not
always available. What do we call this? Expecting a one word answer (a longish word
starting with "i") [answer] - ....ANSWER ...-intermittent
What would be the most game-changing technology advance for renewable energy
(electricity). - ....ANSWER ...-cheap, effective energy storage
Which country has a very large percentage of its electricity derived from wind power. -
....ANSWER ...-Denmark
This large solar plant is using which solar technology (one word answer beginning with
"p")? [answer] - ....ANSWER ...-photovoltaic
Why is the percentage of electricity from renewable hydroelectricty falling in the United
States? - ....ANSWER ...-Demand for electricity has grown significantly
What is the material above coal called that is removed, before the coal is extracted, in
surface mining? [answer1] (a one word answer is expected) - ....ANSWER ...-
overburden
In the pH scale what value is acidic? - ....ANSWER ...-low values
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 2
Questions and Answers
The electromagnetic spectrum covers a range of wavelength values. What is the closest
in size to the wavelength for microwaves. - ....ANSWER ...-golf ball
We have looked at solar energy for heat and light but it can also be used for electricity
generation (more when we do renewables). What is the higher level term for solar cells?
One word answer expected (12 letters, begins with "p", ends in "c") -
....ANSWER ...-photovoltaic
What is the unit for how much electricity is used? - ....ANSWER ...-kWh
What is always missing from a passive solar system? - ....ANSWER ...-electricity
There are three types of heat transfer. Which would best describe why you would burn
yourself if you picked up a hot poker left in a fire? - ....ANSWER ...-conductive
There are a couple of "new" coal-fired electricity electricity generation technologies that
are much cleaner and more CO2 sequestration ready than current plants. One is oxy-fuel
combustion, the other is [answer]. - ....ANSWER ...-gasification
Why did we use large amounts of fossil fuel and nuclear derived electricity when
renewable energy was available? - ....ANSWER ...-it was much cheaper
Place these in the correct order (you should also know what this is referring to) (steam
power plant cycle picture) - ....ANSWER ...-highest - ultra supercritical steam
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1
, high - supercritical steam cycle
lower - steam cycle
Wind power is becoming cheaper (generally). In what year did the capacity growth
"take-off" significantly with ~10GW of capacity. - ....ANSWER ...-NOT 2004
Why is higher temperature steam an advantage in steam-cycle systems? -
....ANSWER ...-higher efficiency electricity generation
One of the problems with wind power (and some other renewables) is that it is not
always available. What do we call this? Expecting a one word answer (a longish word
starting with "i") [answer] - ....ANSWER ...-intermittent
What would be the most game-changing technology advance for renewable energy
(electricity). - ....ANSWER ...-cheap, effective energy storage
Which country has a very large percentage of its electricity derived from wind power. -
....ANSWER ...-Denmark
This large solar plant is using which solar technology (one word answer beginning with
"p")? [answer] - ....ANSWER ...-photovoltaic
Why is the percentage of electricity from renewable hydroelectricty falling in the United
States? - ....ANSWER ...-Demand for electricity has grown significantly
What is the material above coal called that is removed, before the coal is extracted, in
surface mining? [answer1] (a one word answer is expected) - ....ANSWER ...-
overburden
In the pH scale what value is acidic? - ....ANSWER ...-low values
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 2
