EGR FINAL COMPREHENSIVE STUDY GUIDE
2026 FULL QUESTIONS AND SOLUTIONS
GRADED A+
◍ Density.
Answer: mass/volume
◍ SI unit for Power (P).
Answer: watt [W]
◍ Maximum approx. capacity factor for an offshore WT? 45%55%65%.
Answer: 45%
◍ A theme from the engineering code of ethics is.
Answer: safety and human welfare
◍ The US average WT height, rotor diameter and rated power?.
Answer: Average hub height ~80 metersAverage rotor diameter ~100
meters~2MW nameplate capacity
◍ The country with the largest geothermal electricity generating capacity
is:-USA-China-Iceland-Italy.
Answer: USA
◍ What is the surface area and the capacity (rated power) of the largest PV
power plant currently operational in KY?.
Answer: 45 Acres10 MW
◍ Two ways in which EVs can help with carbon emission reductions?.
Answer: - Electricity from renewables - Electricity Carbon Capturing and
Storage (CCS)
◍ Base unit of length.
Answer: meter (m)
,◍ Units for specific gravity.
Answer: no units
◍ Approx. what percentage of the green house emissions are due to electricity
generation?.
Answer: 30%
◍ List two major challenges (other than cost) to larger scale renewable energy
deployment.
Answer: We need better energy storage.The existing infrastructure for
non-renewables is easy to use.
◍ Freezing point of water.
Answer: 0 degrees Celsius (32 F)
◍ Choose all of the statements below that are true (based on the
presentation):The Porter Hypothesis states that the cost of meeting
environmental regulation will exceed the monetary benefit to society.The
Porter Hypothesis states that properly structured regulations can promote
innovation and business opportunities that outweigh the costs of the
regulationThe Porter Hypothesis has been demonstrated as true.Most
economists view the Porter Hypothesis as false..
Answer: The Porter Hypothesis states that properly structured regulations
can promote innovation and business opportunities that outweigh the costs
of the regulation
◍ After how many months (or years) is a wind turbine carbon neutral?.
Answer: 7 months
◍ What is the capacity factor used for solar PV?10%25%40%60%.
Answer: 25%
◍ In the data shown, what energy source had the lowest levelized cost?Solar
PVOnshore WindCoalGeothermal.
Answer: Geothermal
◍ specific gravity.
, Answer: density of substance/density of water
◍ What type of energy storage is employed for CSP power plants?.
Answer: Molten salt thermal energy storage
◍ material balance equation.
Answer: input+generation-output-consumption=accumulation
◍ Base unit of volume.
Answer: liter (L)
◍ Enumerate and briefly describe two advantages of solar P
V. .
Answer: No emissions or waste productsNo water useLow construction cost
◍ The proposed energy system for 2050 in Denmark includes which of the
following technologies? a. Heat pumps b. Heat storage systems c. Electric
cars d. All of the above.
Answer: d. All of the above
◍ USCS.
Answer: the measurement system used in the United States
◍ Which of the following were discussed in the module as ways energy might
affect a country's national security? (Select all that apply)Dependency on
imports may lead to entanglement with hostile regimesDependency on
exports may lead to economic volatility in the country as the price of exports
changesEnergy infrastructure is vulnerable to natural disastersMilitary
actions are dependent on a flow of energy to the battlefield.
Answer: Dependency on imports may lead to entanglement with hostile
regimesDependency on exports may lead to economic volatility in the
country as the price of exports changesEnergy infrastructure is vulnerable to
natural disastersMilitary actions are dependent on a flow of energy to the
battlefield
◍ Base Unit of mass.
Answer: kilogram (kg)
2026 FULL QUESTIONS AND SOLUTIONS
GRADED A+
◍ Density.
Answer: mass/volume
◍ SI unit for Power (P).
Answer: watt [W]
◍ Maximum approx. capacity factor for an offshore WT? 45%55%65%.
Answer: 45%
◍ A theme from the engineering code of ethics is.
Answer: safety and human welfare
◍ The US average WT height, rotor diameter and rated power?.
Answer: Average hub height ~80 metersAverage rotor diameter ~100
meters~2MW nameplate capacity
◍ The country with the largest geothermal electricity generating capacity
is:-USA-China-Iceland-Italy.
Answer: USA
◍ What is the surface area and the capacity (rated power) of the largest PV
power plant currently operational in KY?.
Answer: 45 Acres10 MW
◍ Two ways in which EVs can help with carbon emission reductions?.
Answer: - Electricity from renewables - Electricity Carbon Capturing and
Storage (CCS)
◍ Base unit of length.
Answer: meter (m)
,◍ Units for specific gravity.
Answer: no units
◍ Approx. what percentage of the green house emissions are due to electricity
generation?.
Answer: 30%
◍ List two major challenges (other than cost) to larger scale renewable energy
deployment.
Answer: We need better energy storage.The existing infrastructure for
non-renewables is easy to use.
◍ Freezing point of water.
Answer: 0 degrees Celsius (32 F)
◍ Choose all of the statements below that are true (based on the
presentation):The Porter Hypothesis states that the cost of meeting
environmental regulation will exceed the monetary benefit to society.The
Porter Hypothesis states that properly structured regulations can promote
innovation and business opportunities that outweigh the costs of the
regulationThe Porter Hypothesis has been demonstrated as true.Most
economists view the Porter Hypothesis as false..
Answer: The Porter Hypothesis states that properly structured regulations
can promote innovation and business opportunities that outweigh the costs
of the regulation
◍ After how many months (or years) is a wind turbine carbon neutral?.
Answer: 7 months
◍ What is the capacity factor used for solar PV?10%25%40%60%.
Answer: 25%
◍ In the data shown, what energy source had the lowest levelized cost?Solar
PVOnshore WindCoalGeothermal.
Answer: Geothermal
◍ specific gravity.
, Answer: density of substance/density of water
◍ What type of energy storage is employed for CSP power plants?.
Answer: Molten salt thermal energy storage
◍ material balance equation.
Answer: input+generation-output-consumption=accumulation
◍ Base unit of volume.
Answer: liter (L)
◍ Enumerate and briefly describe two advantages of solar P
V. .
Answer: No emissions or waste productsNo water useLow construction cost
◍ The proposed energy system for 2050 in Denmark includes which of the
following technologies? a. Heat pumps b. Heat storage systems c. Electric
cars d. All of the above.
Answer: d. All of the above
◍ USCS.
Answer: the measurement system used in the United States
◍ Which of the following were discussed in the module as ways energy might
affect a country's national security? (Select all that apply)Dependency on
imports may lead to entanglement with hostile regimesDependency on
exports may lead to economic volatility in the country as the price of exports
changesEnergy infrastructure is vulnerable to natural disastersMilitary
actions are dependent on a flow of energy to the battlefield.
Answer: Dependency on imports may lead to entanglement with hostile
regimesDependency on exports may lead to economic volatility in the
country as the price of exports changesEnergy infrastructure is vulnerable to
natural disastersMilitary actions are dependent on a flow of energy to the
battlefield
◍ Base Unit of mass.
Answer: kilogram (kg)
