Fdny z 51 exam Study guides, Class notes & Summaries

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...

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 ...

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...

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...