The air in an automobile engine at 20°C is compressed from aninitial pressure of

Question

The air in an automobile engine at 20°C is compressed from aninitial pressure of 1.0 atm and a volume of 200 cm3 to avolume of 20 cm3. Find the temperature if the airbehaves like an ideal gas (g = 1.4) and the compression isadiabatic.
730°C
460°C
25°C
50°C
20°C The air in an automobile engine at 20 degree C is compressed from aninitial pressure of 1.0 atm and a volume of 200 cm^3 to avolume of 20 cm^3. Find the temperature if the airbehaves like an ideal gas (g = 1.4) and the compression isadiabatic. 460 degree C 25 degree C 50 degree C 20 degree C

Explanation / Answer

as the compression is adiabatic we have PV= CONSTANT HENCE TV-1=constant hence finaltemperature is 293K*100.4=462degrees

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