Second Law of Thermodynamics

Heat sink is a ...............

• Reservoir that rejects work

• Reservoir that supplies heat

• Reservoir that absorbs heat

• Reservoir that produces work

Heat source is ..............

• Reservoir that rejects work

• Reservoir that absorbs heat

• Reservoir that supplies heat

• Reservoir that produce work

What is a heat engine?

• device that make heat flow from low temperature to high temperature

• device that use heat to produce work

• device that make heat flow from cold to hot

• device that use work to produce heat

What is a heat pump?

• device that transfer heat from a low temperature medium to a high temperature medium

• device that use heat to produce work

• device that make heat flow from cold to hot

• device that use work to produce heat

Which of the following is true according to Clausius statement?

• a. it is possible to construct a device that can transfer heat from a cooler body to a hotter body without any effect

• b. It is impossible to construct a device that operates in cycle that the transfer of heat from a lower temperature body to a higher temperature body without any effect

• c. It is impossible to construct a device that operates in cycle that the transfer of heat from a hotter body to a cooler body without any effect

• d. none of the mentioned

Which properties DO NOT suited with the Second Law of Thermodynamics?

• Transformations of energy with no regard to its quality

• Quality & quantity of energy

• Degree of degradation of energy during a process

• Application of heat engines

What is a thermal energy reservoir?

• Hypothetical body that can only supply the finite amounts of heat

• Hypothetical body that can only absorb finite amounts of heat

• Hypothetical body that can supply or absorb finite amounts of heat

All of the following the example of thermal energy reservoir EXCEPT:

• Ocean

• River

• Atmosphere

• Heat

What is thermal energy source?

• A reservoir that absorbs energy in the form of heat

• A reservoir that supplies energy in the form of heat

A carnot cycle is composed of four reversible processes which are

• Two isobaric & Two adiabatic

• Two isothermal & Two isobaric

• Two isothermal & Two adiabatic