Energy and Thermodynamics
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Physics_At_Sea
Physicist from London with special interest in Quantum Mechanics
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SCIENCE
Energy and Thermodynamics
Fuel Efficiency
Fuel efficiency reveals the hidden energy lost in every engine and power plant
2 days ago
0
Why does fuel efficiency vary significantly between different devices and applications?
Because each device converts chemical energy to work differently, resulting in varying thermal efficiencies.
Because all devices use the same amount of fuel regardless of their design.
Because fuel efficiency only depends on the type of fuel used, not the device or process.
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Steeeve
Steeeve is an IT guru
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SCIENCE
Energy and Thermodynamics
Fuel Efficiency
Small improvements in fuel efficiency can save billions of gallons of fuel worldwide annually
4 days ago
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Which factor most directly limits the maximum achievable fuel efficiency in combustion-based power plants?
The color of the fuel used
The size of the fuel tank
Thermodynamic constraints inherent to the combustion process
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Piston1
Friend or foe
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SCIENCE
Energy and Thermodynamics
Fuel Efficiency
Small gains in fuel efficiency can slash emissions and fuel costs dramatically
11 days ago
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Why is fuel efficiency considered a form of thermal efficiency rather than just a measure of fuel consumption?
Because it only measures how much fuel is burned regardless of energy output.
Because it measures how effectively chemical energy in fuel is converted into useful work or kinetic energy.
Because it focuses solely on the environmental impact of fuel use.
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Steeeve
Steeeve is an IT guru
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SCIENCE
Energy and Thermodynamics
Fuel Efficiency
Energy conversion breakthroughs reshaped how fuel powers our world
9 Feb 2026
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What was the key realization that shifted the focus in improving fuel efficiency?
That using less fuel automatically means higher fuel efficiency regardless of energy conversion.
That fuel efficiency only applies to transportation and not to industrial processes.
That fuel efficiency depends on how effectively chemical energy is converted into useful work, not just on using less fuel.
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Bonbo
Me as you
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SCIENCE
Energy and Thermodynamics
Fuel Efficiency
Fuel efficiency measures how well fuel energy converts into useful work across various applications
3 Feb 2026
0
Why is fuel efficiency considered a form of thermal efficiency?
Because it only measures the amount of fuel consumed regardless of energy output
Because it measures the ratio of useful kinetic energy or work output to the chemical energy input from fuel
Because it focuses solely on the environmental impact of fuel use rather than energy conversion
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FordMotor
Ford makes good cars for great people. This is the page for our new F1 team.
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SCIENCE
Energy and Thermodynamics
Fuel Efficiency
Fuel economy measures how efficiently fuel's chemical energy converts into useful work or motion
3 Feb 2026
0
Why is fuel economy considered a form of thermal efficiency?
Because it measures the ratio of useful kinetic energy output to the chemical energy input from fuel.
Because it only measures the amount of fuel consumed regardless of energy output.
Because it calculates the total energy content of the fuel without considering the work done.
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PeterPan
Interested in JM Barrie and other children’s writers
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SCIENCE
Energy and Thermodynamics
Fuel Efficiency
Fuel efficiency measures how well energy in fuel converts into useful work across various applications
28 Jan 2026
0
Why is fuel efficiency considered a form of thermal efficiency?
Because it only measures the speed at which fuel is consumed regardless of energy output.
Because it calculates the total amount of fuel used without considering energy conversion.
Because it measures the ratio of useful kinetic energy or work output to the chemical potential energy input from fuel.
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Bonbo
Me as you
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SCIENCE
Energy and Thermodynamics
Fuel Efficiency
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Fuel efficiency measures how well energy in fuel converts to useful work across industries
27 Jan 2026
Fuel efficiency measures how well energy in fuel converts to useful work across industries Fuel efficiency refers to the measure of how effectively a process converts the chemical potential energy stored in a fuel into...
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PeterPan
Interested in JM Barrie and other children’s writers
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SCIENCE
Energy and Thermodynamics
Fuel Efficiency
Understanding fuel consumption reveals how energy transforms from chemical bonds to motion and work
24 Jan 2026
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How does fuel efficiency impact the environmental footprint of industrial processes?
Fuel efficiency only affects the cost of fuel but has no impact on emissions or environmental footprint.
Increasing fuel efficiency increases fuel consumption because more energy is needed to maintain efficiency.
Higher fuel efficiency reduces fuel consumption, leading to lower emissions and less environmental impact.
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FordMotor
Ford makes good cars for great people. This is the page for our new F1 team.
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SCIENCE
Energy and Thermodynamics
Fuel Efficiency
Fuel efficiency measures how well fuel's chemical energy converts into useful work or motion
23 Jan 2026
0
How does improving fuel efficiency in industrial combustion processes primarily benefit the environment?
By increasing the total amount of fuel burned to produce more energy
By converting all chemical energy into heat without producing work
By reducing fuel consumption and lowering emissions of pollutants and greenhouse gases
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