Chapter4_revF2

What is the purpose of a thermodynamics cycle?

• To convert work energy into heat energy

• To convert heat energy into work energy

• To create energy from nothing

• To store energy in a system

What happens in State 2 of the thermodynamics cycle?

• Water enters boiler and is vaporized at constant pressure

• Heat is removed in the condenser

• Turbine extracts energy from flowing fluid

• Water is fed into the pump

What is the function of a condenser in a thermodynamics cycle?

• Store energy in the system

• Heat energy is removed

• Convert work energy to heat energy

• Create energy from nothing

What is the thermal efficiency of a Carnot engine?

• 50%

• 75%

• 100%

• 25%

What is the purpose of an isothermal expansion in a carnot cycle?

• Cooling

• Energy storage

• Heat removal

• Heat addition

What is the unit of temperature used in the Carnot Heat Engine Cycle?

• Kelvin

• Celsius

• Fahrenheit

• Rankine

What is the function of a heat engine?

• Create energy from nothing

• Store energy in the system

• Convert work energy to heat energy

• Convert heat energy to work energy

What is the example of a heat engine mentioned in the text?

• Solar Panel

• Steam Power Plant

• Hydroelectric Dam

• Windmill

What is the purpose of an isothermal compression in a carnot cycle?

• Heat addition

• Energy storage

• Cooling

• Heat removal