Fdny z 51 exam - Study guides, Class notes & Summaries
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FDNY Z51 ALL EXAMS AND STUDYGUIDES BUNDLED TESTS
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FDNY Z51/ Z-51 REFRIGERATION EXAM TEST2024-2026 ACTUAL EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+

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FDNY Z51/ written z51 Test Exam Recent 2024- 2026Version Updated with All 220 Questions and detailed answers graded A

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FDNY Z51 Study Guide Updated 2024-2026with All 120 Questions and
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FDNY Z-51 EXAM |251 QUESTIONS FULLY SOLVED & UPDATED 2023.|GUARANTEED SUCCESS
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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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Z-51 Written Test | Actual exam with complete solution | GRADED A+ | 2023/2024
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Z-51 Written Test | Actual exam with complete solution | GRADED A+ | 2023/2024 
 
In a steam turbine, what is the function of a Kingsbury thrust bearing? 
 
A) Maintain first stage steam pressure. 
B) Compensate for coupling misalignment. 
C) Adjust shaft torque at start up. 
D) Maintain axial positioning of the rotor shaft. - D) Maintain axial positioning of the rotor shaft. 
The ratio of actual pressure of water pressure in the atmosphere to the saturated pressure of given temperature is 
 ...
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FDNY Z-51 EXAM 2024 QUESTIONS AND DETAILED ANSWERS GRADED A REAL FDNY Z51 EXAM LATEST VERSION 2024-2025
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FDNY Z-51 EXAM 2024 QUESTIONS AND DETAILED ANSWERS GRADED A REAL FDNY Z51 EXAM LATEST VERSION 2024-2025
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Z-51, 140 Exam Questions and Complete Solutions
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Z-51, 140 Exam Questions and Complete Solutions 
 
A refrigerant engineer verifies that a chilled water pump is cavitating. of the following the most likely cause for this condition is: - Answer: Water leaks through the mechanical seals 
 
There is a decrease in the efficiency of a reciprocating compressor. this most likely caused by: - Answer: Leaking suction valve 
 
The suction and discharge valve of the reciprocating compressor are mounted as follows: - Answer: Discharge valves on top of the...
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FDNY Z51/ Z-51 REFRIGERATION EXAM 1 TEST 2024-2026 ACTUAL EXAM 150 LATEST QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+
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FDNY Z51/ Z-51 REFRIGERATION EXAM 
1 
TEST ACTUAL EXAM 150 
LATEST QUESTIONS AND CORRECT 
DETAILED ANSWERS |ALREADY GRADED 
A+ 
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 - Answer-lowering the 
condenser pressure 
In most semi hermetic compressors, the suction vapor is used for - Answer-cools the motor 
2 
The amount of refrigerant that flows through the ori...
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FDNY Z-51 REFRIGERATION: TEST EXAM QUESTIONS GUARENTEED SUCCESS.LQTEST UPDATES 2024/2024.(200 QUESTIONS ALLREADY PASSED)
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FDNY Z-51 REFRIGERATION: TEST EXAM 
QUESTIONS GUARENTEED SUCCESS.LQTEST 
UPDATES 2024/2024.(200 QUESTIONS ALLREADY 
PASSED) 
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: - answers 
Lowering the condensing pressure 
The heat removed from the refrigerant in a condenser is: - answers Sensible and latent 
heat 
The refrigerant unit that you have been assigned to is being...
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