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| Q. |
In a vapour compression refrigeration cycle, high head pressure is indicated which does not change even when compressor is stopped and allowed to cool. The probable cause may be |
| A. | High refrigerant charge |
| B. | Low refrigerant charge |
| C. | Air in the system |
| D. | High vapour pressure |
| E. | Any of the above |
| Answer» C. Air in the system | |
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