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MDCAT
Physics
2016

Physics · Heat and Thermodynamics

Work through this past-paper style MCQ, then read the full explanation. Practice more physics questions on mMCQ with adaptive practice and topic analytics.

Question

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

Options
  • 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.

Correct

Incorrect, as an isothermal process is a thermodynamic process in which the temperature of a system remains constant.

Cooling is the removal of heat, usually resulting in a lower temperature and/or phase change.

The First Law of Thermodynamics states that energy cannot be created or destroyed; it can only be converted from one form to another

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Tagged under Physics · Heat and Thermodynamics · 2016