All of these are true about a magnesium part EXCEPT that it: O is a nonferrous metal.
O is a lightweight material.
O is typically made from stampings.
O has good vibration dampening characteristics

Arigid tank contains 10 kg of air at 137 kpa (abs) and 21°c. more air is added to the tank until the pressure and temperature rise to 242 kpa (abs) and 32°c, respectively. determine the amount of air added to the tank. [r-0.287 kj/kg k]