Thermal Energy and Heat Quiz

What is the 1st Law of Thermodynamics?

• Energy is only converted to another form of energy

• Energy is always lost during energy conversions

• Energy is always conserved during energy conversions

• Energy is always converted to heat

According to the 2nd Law of Thermodynamics, what is entropy?

• The measure of energy converted to work

• The measure of energy lost as heat

• The measure of energy conserved

• The measure of disorder of a substance

What is the 3rd Law of Thermodynamics about?

• Absolute Zero is a practical temperature

• Absolute Zero cannot be reached

• Absolute Zero is a theoretical concept

• Absolute Zero can be reached

Which type of heating system uses electrically heated coils in ceilings or floors to heat air by conduction?

• Forced air

• Solar

• Radiator

• Electric

What is the function of a heat engine?

• Convert electricity to heat

• Convert heat energy to electricity

• Convert work energy to heat

• Convert heat energy to work

Which type of engine has a compression stroke where the piston compresses the gas mixture and at the end of the stroke, the spark plug ignites the mixture?

• External Combustion Engine

• Car Engine

• Steam Engine

• Internal Combustion Engine

What is the function of a refrigerator in terms of thermodynamics?

• Convert heat energy to work

• Convert work energy to heat

• Transfer heat from a colder body to a hotter body

• Transfer heat from a hotter body to a colder body

Which type of engine uses the heat generated by the burning of a fuel inside the engine?

• External Combustion Engine

• Internal Combustion Engine

• Steam Engine

• Electric Engine