Second law of thermodynamics (CO2)

Riyaan is conducting an experiment to understand the first law of thermodynamics. Which of the following is not the limitation of the first law of thermodynamics?

• Can not find the possibility of a process

• Can not find the amount of energy transfer

• Does not differentiate the forms of energy

During a science class, Ishaan asked, which of the following is not an example of a low temperature reservoir?

• atmosphere

• ocean

• river

• furnace

Aarav is trying to understand how a refrigerator works. The desired effect of a refrigerator is

• heat rejection to hot body

• maintain cold body temperature below hot body temperature

• maintain hot body temperature above cold body temperature

The property that gives the measure of reversibility of a process is

(a)  

Aisha is studying thermodynamics and comes across a question about the SI unit of entropy. She wonders what it is.

• kJ/kgK

• kW/K

• kJ/K

• kJ/kg

Aarav is studying the principles of thermodynamics in his physics class. According to the Kelvin Planck statement, a heat engine must transfer ____ with two thermal energy reservoirs.

• light

• electricity

• heat

• work

Nikita is studying the efficiency of a heat pump and learns that the COP of a heat pump is equal to the COP of a refrigerator plus ____

• 1

• 4

• 3

• 2

In a physics class, Eshaan is trying to understand the factors that contribute to irreversibility. He asks his classmates, "Which of the following factors does not cause irreversibility?"

• free expansion

• friction

• heat transfer

• free flow

Tisha is studying thermodynamics and comes across a concept: A body of infinite heat capacity, capable of supplying any amount of heat without undergoing any temperature change

• High temperature source

• Low temperature sink

• Low temperature source

• High temperature sink

• greater than or equal to

• less than or equal to

• greater than