Agricultural Engineering > GATE 2014 > Tyres
A tractor tyre contains 31 L of air at a pressure of 190 kPa and a temperature of 30°C. Using R=8.314 J (gmol)-1 K-1 and molecular mass of air = 29 g (gmol)-1, the mass of air contained in the tyre is M × 10-3 kg. The value of M is________.
Correct : 67
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