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According to ISA atmospheric model what is the value of datum atmospheric air density kg/m^3?

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+2 votes
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in Aircraft Performance by (558k points)
According to ISA atmospheric model what is the value of datum atmospheric air density kg/m^3?

(a) 1.225

(b) 12.225

(c) 1.23

(d) 1.000

The question was asked in examination.

My question is from Standard Atmospheric Model in chapter Atmosphere and Air Data Measurement of Aircraft Performance

1 Answer

+1 vote
by (553k points)
Correct option is (a) 1.225

Easiest explanation: According to ISA atmospheric model what is the value of datum atmospheric air density is 1.225 kg/m^3. It can also be written as 1225 g/m^3 else 1.225 x 10^-9 kg/mm^3.

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