Introduction Flashcards

(37 cards)

1
Q

Capacity of a physical system to perform work.

A

Energy

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2
Q

Rate at which energy is used or work is performed.

A

Power

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3
Q

Energy associated with objects in motion.

A

Kinetic Energy

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4
Q

Energy associated with position in a force field.

A

Potential Energy

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5
Q

Energy related to random molecular motion and temperature.

A

Thermal Energy

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6
Q

Energy stored in chemical bonds and released by reactions.

A

Chemical Energy

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7
Q

Energy related to magnetic fields producing mechanical work.

A

Magnetic Energy

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8
Q

Energy generated by friction or chemical change with electrical effects.

A

Electrical Energy

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9
Q

Energy released from atomic nuclei by fission or fusion.

A

Nuclear Energy

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10
Q

Energy produced by vibration or disturbance of matter.

A

Sound Energy

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11
Q

Law stating energy cannot be created or destroyed.

A

First Law of Thermodynamics

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12
Q

Law stating energy degrades and entropy increases.

A

Second Law of Thermodynamics

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13
Q

Widely used energy sources such as fossil fuels and nuclear.

A

Conventional Energy Sources

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14
Q

New and renewable energy sources like solar and wind.

A

Non-Conventional Energy Sources

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15
Q

Energy from natural sources that are replenished naturally.

A

Renewable Energy

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16
Q

Energy source that cannot be replenished once depleted.

A

Non-Renewable Energy

17
Q

Energy derived from gasoline, diesel, and kerosene.

18
Q

Energy from organic matter such as wood and agri-residues.

A

Biomass Energy

19
Q

Energy obtained from sunlight.

20
Q

Energy obtained from moving air using turbines.

21
Q

Energy derived from flowing water.

22
Q

Energy obtained from heat within the Earth.

A

Geothermal Energy

23
Q

Energy conversion using animal draft into mechanical work.

A

Animal Power System

24
Q

System converting waste into combustible gas.

A

Biogas System

25
System converting biomass heat into electricity.
Biomass Power Generation System
26
System using human muscle to produce mechanical work.
Human Power System
27
System converting chemical energy into electrical energy.
Electrical Battery System
28
Engine converting fuel combustion into mechanical power.
Internal Combustion Engine
29
System producing heat by burning biomass.
Biomass Thermal Production System
30
System converting wind kinetic energy to electricity.
Wind Turbine System
31
Device converting mechanical energy to electricity.
Generator
32
Device converting electrical energy to mechanical energy.
Motor
33
SI unit of energy equal to one newton-meter.
Joule
34
Heat energy needed to raise one pound of water by one degree Fahrenheit.
British Thermal Unit
35
Energy needed to raise one gram of water by one degree Celsius.
Calorie
36
Unit of work equal to one pound of force over one foot.
Foot-Pound
37
Unit expressing the rate of doing work.
Horsepower