SACAA PPL Human Performance Practice Questions - SACAA Private Pilot Licence (Aeroplane) Human Performance And Limitations Theoretical Knowledge Examination Exam

Dalton’s law states that the total pressure of a gas mixture equals:

The sum of the partial pressures of its constituent gases The pressure of the heaviest gas alone Atmospheric pressure minus vapour pressure only Oxygen partial pressure multiplied by cabin altitude

Correct Answer:

The sum of the partial pressures of its constituent gases

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