SACAA CPL Human Performance Practice Questions - SACAA Commercial Pilot Licence (Aeroplane) Human Performance & Limitations Examination Exam

What is the approximate volumetric composition of dry air in the lower atmosphere (troposphere)?

78% Nitrogen, 21% Oxygen, and 1% Argon, Carbon Dioxide, and trace gases 50% Oxygen, 40% Nitrogen, and 10% Water Vapor 78% Oxygen, 21% Nitrogen, and 1% Carbon Dioxide 60% Nitrogen, 30% Oxygen, and 10% Inert Gases

Correct Answer:

78% Nitrogen, 21% Oxygen, and 1% Argon, Carbon Dioxide, and trace gases

Access more questions from this quiz

Continue to SACAA CPL Human Performance Practice Questions - SACAA Commercial Pilot Licence (Aeroplane) Human Performance & Limitations Examination Exam for more practice questions and the full quiz experience.

Access More Questions