The PPL question bank.
698 explained PPL(A) questions.
9 subjects, mock exams against the clock.
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Want the notes too? The PPL pack: all nine subjects, yours for life, with 2 months of questions.
1Which statement about the composition of the atmosphere is correct?
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Answer A. Dry air contains about 78 % nitrogen, 21 % oxygen and 1 % other gases, in proportions that stay the same to very high altitude. Water vapour is the variable part, from almost 0 to about 4 % by volume, and it makes the weather. Hypoxia comes from the fall in pressure, and therefore in the partial pressure of oxygen, not from a lower percentage of oxygen.
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- 010Air Law80 questions
- 020Aircraft General Knowledge80 questions
- 030Flight Performance and Planning80 questions
- 040Human Performance80 questions
- 050Meteorology80 questions
- 060Navigation80 questions
- 070Operational Procedures79 questions
- 080Principles of Flight80 questions
- 090Communications59 questions
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All 698 PPL questions with written explanations, plus the mock exams.
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For €10 more, the PPL pack. The notes of all nine subjects, yours for life, with the same 2 months of questions.
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