Asked in UHS MDCAT 2016 2016Moderate

The rapid escape of air from a burst tire is an example of

Correct answer: A. Adiabatic processes

  • A. Adiabatic processes
  • B. Isothermal process
  • C. Cooling process
  • D. First law of thermodynamics

Explanation

The burst of a tire is a sudden process. The process occurs instantaneously, such that the system does not get sufficient time to exchange heat with the surroundings; therefore, Q = 0. And we know that in diabetics, heat is neither absorbed nor released by a system, i.e., Q = 0. Hence, the bursting of a tire is an example of an adiabatic process.

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About First Law of Thermodynamics

The first law relates heat supplied, work done and the change in internal energy through energy conservation. Problems use sign conventions and apply the law to isothermal, adiabatic, isobaric and isochoric processes. Internal energy is a state function, while heat and work depend on the path followed.

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