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				| 1. | A spring loaded piston cylinder contains 1.5 kg air at 160 kPa and 27 C. It is heated in a process where pressure is linear in volume, P = A + BV, to twice the initial volume where it reaches 900 K. Find the work assuming a source at 900 K. | 
| A. | 61.4 kJ | 
| B. | 161.4 kJ | 
| C. | 261.4 kJ | 
| D. | 361.4 kJ | 
| Answer» C. 261.4 kJ | |