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[Show more]FDNY z51 FINAL EXAM 
Questions & Answers 
Latest Update Already 
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: - 
ANSWER Lowering the condensing pressure 
The heat...
Preview 3 out of 17 pages
Add to cartFDNY z51 FINAL EXAM 
Questions & Answers 
Latest Update Already 
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: - 
ANSWER Lowering the condensing pressure 
The heat...
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...
Preview 3 out of 25 pages
Add to cartFDNY 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 ...
Preview 3 out of 18 pages
Add to cartFDNY 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...
Preview 1 out of 2 pages
Add to cartFDNY 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...
Preview 2 out of 5 pages
Add to cartFDNY 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-...
Preview 2 out of 5 pages
Add to cartFDNY 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-...
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