Energy Management Flashcards
How much of the world’s energy needs comes from renewable energy sources?
16%
BTU
British Thermal Unit
Which of these are not a Primary Energy Source
A)Fossil Fuels
B)Renewable Energy
C)Nuclear
* D)Geothermal
The ability to change the speed or temperature of an object is?
Energy
Which form of energy arises from the flow of electrons in substance?
Electrical
All of the following are types of energy except:
A. Thermal
*B. Spacial
C. Mechanical
D. Chemical
What is the lowest projected energy source consumption by the year 2035?
Nuclear
According to our notes, all of the following is true concerning fossil fuels EXCEPT:
A. Classified as non-renewable energy.
B. The three types of fossil fuels are petroleum, coal and natural gas.
**C. Currently supplies 82% of our world’s energy needs.
D. World’s supply of fossil fuels will eventually run out.
The form of energy with arises from an object in motion is_______?
Mechanical
What are the primary energy sources?
Fossil Fuels
Renewable Energy
Nuclear Energy
Energy stored in molecular bonds is called?
Chemical
One British Thermal Unit (BTU) is roughly equivalent to?
Burning one toothpick
Which of the following is generated by electromagnetic radiation emitted by an object?
Radiant
Which best describes mechanical energy?
arises from an object in motion
The tragedy of commons is best summarizd by:
The depletion of a shared resource by an individual
Transportation consumes how much percent of the energy consumed in the United States?
17%
Fossil Fuels currently supplies what percentage of the world’s energy needs?
81%
Americans spent 1200 ______ on energy in 2007?
Billion
Barriers for Energy Conservation are all of the following EXCEPT?
a) Government Incentives
b) Financial
* c)Social
d) Government Regulations
All of the following are sources of renewable energy except:
A. Biomass
B. Wind
C. Geothermal
*D. Folsill Fuels
All are examples of The Tradegy of Commons EXCEPT
A. watering your grass during a drought
*B. walking down an abandoned sidewalk
C. Rush hour traffic
D. lunch time rush at McDonalds
______ energy is cause by the motion of microscopic particles.
Thermal
Which of the following is NOT one of the fundamental principles of engineering economics?:
- a. A nearby dollar is worth less than a distant dollar
b. All it counts is the difference among alternatives
c. Marginal revenue must exceed marginal cost
d. Additional risk is not taken without the expected additional return
This type of ratio is used to express the remaining years of supply of fossil fuels at current usage.
R/P
Energy Forms:
Thermal Electrical Radiant Nuclear Chemical Mechanical
Thermal
Caused by the motion of microscopic particles
Electrical
Arises from the flow of electrons in substance
Radiant
Generated by electromagnetic radiation emitted by an object
Nuclear
Created by splitting atoms in a process known as nuclear fission.
Chemical
Energy stored in molecular bonds.
Mechanical
Arises from an object in motion.
Thermodynamics
Science of energy transformation
World Energy Use
Liquids 35% Coal 26% Natural Gas 23% Renewable 10% Nuclear 6%
Fossil Fuel Types:
Petroleum
Coal
Natural Gas
Renewable Energy Types:
Biomass Hydroelectric Wind Solar Geothermal
Tradition Power Grid Setup
Power Generation - Transmission Lines - Distribution - Residential or commercial or Industrial
Ideal Energy Source:
Abundant Easily Transformed, Transported, and Stored Low Cost Universally Available Rapidly increase output energy Environmentally Friendly Reliable, Safe, Secure
Barriers for Energy Conservation
Large Numbers - small individual benefits Financial Ownership - Split incentives Requires change in behavior Organization Government Incentives Government Regulation
Who has the highest number of solar panels and how much?
Germany; 50% of energy used
Who has highest nuclear generation?
USA
TEES
Texas Engineering Experiment Station
Which of the following fossil fuels has the highest R/P ratio?
Coal
How much of all PRIMARY energy does transportation consume?
29%
1 BTU is equal to how many Joules?
1055
A geothermal heat pump includes what?
Heat Exchange Pipes
What percentage of the worlds energy needs are provided by petroleum?
36%
According to guest speaker Michael Seavey, how many watts of power does the average American home use?
5000
Which state has the lowest total energy consumption in BTUs per person per year?
New York
