Fdny z 51 250 question - Study guides, Class notes & Summaries
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FDNY Z-51 |250 QUESTIONS AND ANSWERS 2023 ALREADY GRADED A+(VERIFIED FOR ACCURACY)
- Exam (elaborations) • 13 pages • 2023
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The efficiency of the refrigerant cycle is affected by the operation of the condenser. Of the following, a more efficient centrifugal compressor operation results from 
Lowering the condenser pressure 
 
 
 
In most semi hermetic compressors, the suction vapor is used too 
Cool's the motor 
 
 
 
The amount of refrigerant that flows through the orifices of an economizer is determined by the 
Difference between the high side and the low side pressure 
 
 
 
the instalation of an inline refrigera...
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