Engine_2014 : General Subjects - 3115/3524
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| What differentiates 'system-dependent' and 'self-contained' recovery devices in refrigeration systems? |
| A) self-contained recovery devices can only be used on large CFC and HCFC units |
| B) self-contained recovery devices usually contain a compressor, system- dependent recovery devices do not |
| C) the system compressor must be working to use system dependent devices, the system compressor may or may not be operational when self-contained devices are used |
| D) there is no difference between the devices |
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