MCQOPTIONS
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MCQOPTIONS
| 1. |
R-12_in_a_piston-cylinder_arrangement_is_initially_at_50°C,_x_=_1._It_is_then_expanded_in_a_process_so_that_P_=_Cv^(−1)_to_a_pressure_of_100_kPa._Find_the_work.$# |
| A. | 23.2 kJ/kg |
| B. | 33.2 kJ/kg |
| C. | 43.2 kJ/kg |
| D. | 53.2 kJ/kg |
| Answer» D. 53.2 kJ/kg | |