Fdny z 51 exam Study guides, Class notes & Summaries

FDNY Z-51 EXAM| 251 QUESTIONS FULLY SOLVED & UPDATED 2023

FDNY Z-51 FINAL Test EXAM QUESTION AND VERIFIED ANSWERS LATEST UPDATE 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. - ANSWER 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 A...

FDNY Z-51 REFRIGERATION EXAM TEST QUESTIONS WITH CORRECT ANSWERS Efficiency of the refrigerant cycle is affected by the operations of the condenser. Of the following, a more efficient centrifugal compressor operation results from: - ANSWER Lowering the condensing pressure The heat removed from the refrigerant in a condenser is: - ANSWER Sensible and latent heat The refrigerant unit that you have been assigned to is being taken out of service for a major repair. You have been assig...

FDNY Z51/ Z-51 REFRIGERATION EXAM TEST ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+

FDNY Z51/ Z-51 REFRIGERATION EXAM TEST ACTUAL EXAM 250 QUESTIONS AND COMPLETE WELL EXPLAINED ANSWERS WITH RATIONALE 100% CORRECT VERIFIED BY EXPERTS AND GRADED A+ LATEST UPDATE 2024[ALREADY PASSED] toxicity 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 condensing pressure The heat removed from the refrigerant in a condenser is: Sensible and latent heat The r...

NEWEST FDNY Z51/ Z-51 REFRIGERATION TEST EXAM QUESTIONS AND VERIFIED CORRECT ANSWERS ALREADY GRADED A+ 2024 – 2025 UPDATE (ACTUAL EXAM) A FDNY permit is required to conduct hot works for?  Use of oxygen and flammable gas FDNY is most concerned with which ASHRAE refrigerant classification?  A3 How long must a fire alarm log book be kept?  6 months What is the minimum requirement an engineer needs to log readings?  Once per shift You are the only engin...

FDNY Z-51 EXAM 2024 WITH 200+ QUESTIONS AND DETAILED ANSWERS GRADED A REAL FDNY Z51 EXAM LATEST VERSION

FDNY Z-51- REFRIGERATION LUBRICANTS EXAM QUESTION AND VERIFIED ANSWERS LATEST UPDATE compressor lubrication - ANSWER an adequate supply of oil must be maintained in the crankcase of a refrigeration compressor at all time to ensure continuous circulate properly through a system with refrigerant - ANSWER refrigeration lubricants must have certain properties in order to be able to flow in low temps, withstand high temps and remain harmless to refrigerants and equipment, travel fre...