MCQOPTIONS
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MCQOPTIONS
| 1. |
A cylinder fitted with a piston contains 2kg of superheated R-134a vapour at 100°C, 350 kPa. The cylinder is then cooled so that R-134a remains at constant pressure till it reaches a quality of 75%. Calculate the heat transfer in this process.$ |
| A. | -174.6 kJ |
| B. | -274.6 kJ |
| C. | -374.6 kJ |
| D. | -474.6 kJ |
| Answer» C. -374.6 kJ | |