Physics Chp. 10 Practice Test

Which of the following is a set of particles or interacting components from which energy is added or removed?

• a. an ideal gas

• b. an engine

• c. a system

• d. an environment

What accounts for an increase in the temperature of a gas that is kept at constant volume?

• a. Energy has been removed as heat from the gas.

• b. Energy has been added as heat to the gas.

• c. Energy has been removed as work done by the gas.

• d. Energy has been added as work done on the gas.

When an ideal gas does positive work on its surroundings, which of the gas's quantities increases?

• a. temperature

• b. pressure

• c. volume

• d. internal energy

An ideal gas system is maintained at a constant volume of 4 L. If the pressure is constant, how much work is done by the system?

• a. 0 J

• b. 5 J

• c. 8 J

• d. 30 J

Air cools as it escapes from a diver’s compressed air tank. What kind of process is this?

• a. isovolumetric

• b. isobaric

• c. adiabatic

• d. isothermal

What thermodynamic process for an ideal gas system has an unchanging internal energy and a heat intake that corresponds to the value of the work done by the system?

• a. isovolumetric

• b. isobaric

• c. adiabatic

• d. isothermal

Which thermodynamic process takes place when work is done on or by the system but no energy is transferred to or from the system as heat?

• a. isovolumetric

• b. isobaric

• c. adiabatic

• d. isothermal

Which thermodynamic process takes place at a constant temperature so that the internal energy of a system remains unchanged?

• a. isovolumetric

• b. isobaric

• c. adiabatic

• d. isothermal

Which thermodynamic process takes place at constant volume so that no work is done on or by the system?

• a. isovolumetric

• b. isobaric

• c. adiabatic

• d. isothermal

In an isovolumetric process for an ideal gas, what is equivalent to the system's change in the energy as heat?

• Temperature

• Volume

• Pressure

• Internal energy