FDNY ALL COMBINED

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 o...

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 ...

FDNY Z-51- Refrigeration Engineer TEST Q&A 1. which of the following are reference document commonly used by ref engineers in us - ANSWER national fire protection 2. water and moisture is a serious problem in a refrigeration system water can be kept out of the system. - ANSWER proper evacuat...

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 refr...

FDNY Z51 Test Exam Recent Version Updated Questions& Answers the approximate box temperature of a medium temperature walk-in refrigerator is - ANSWER 35 degrees walk-ins usually have lower box temperatures than reach-ins because - ANSWER walk-ins are designed for longer term storage a walk-...