3/13/26, 8:23 PM FDNY Q-01 EXAM fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Q-01 FDNY Flashcards | Quizlet
FDNY Q-01 EXAM fully solved & updated 2025-
2026(latest version verified for accuracy) |
2024\2025Latest!! Q-01 FDNY
1
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FDNY Z51/ Z-51 REFRIGERATION EX... NYC RMO EXAM, CHAPTER 19 (Capa... NYC RMO Chapter 14 RMO Review Test 3
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Terms in this set (196)
Rupture members, when used in parallel with a relief valve, are 20%
not to exceed _____% above designed working pressure
Butterfly valve: where can it be used? Can be used on the inlet and outlet of a water pump
What electrical motor protection device automatically resets The thermal protector
itself?
746 watts equals how many kilowatt hours? .746 kilowatt hours
What position is the liquid line service valve normally in? Back-seated
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,3/13/26, 8:23 PM FDNY Q-01 EXAM fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Q-01 FDNY Flashcards | Quizlet
In an operating evaporator, oil stays on top of which Carbon dioxide, R-744
refrigerant?
At what pressure does the relief valve blow on a high pressure 300 psi
machine?
What would indicate a restriction (such as dirt or scale) in the Frost immediately after the restriction
liquid line?
What does solubility mean? The ability of a refrigerant to mix with other substances
Charging Vapor —In a compression system, where do you Suction side of the compressor at the Suction Service Valve
charge the vapor?
When comparing a brine with s PH of 8 to one with a PH of 10, 100 times greater (ex. PH 8 to PH 9 is 10 times greater)
its alkalinity is:
In an efficiently operating induced draft cooling tower, the Dry bulb and wet bulb temperature
leaving water is between:
To produce the desired evaporator temperature, the power Head pressure as low as possible & suction pressure as high as needed
input is reduced by keeping head pressure...
The accumulator is usually between the... Compressor and evaporator
An oiling system in a large centrifugal system should consist of Reservoir, pump and distribution lines
at least...
In an evaporator that chills brine, the greatest cooling effect Boiling of low pressure liquid
on the brine results from the...
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, 3/13/26, 8:23 PM FDNY Q-01 EXAM fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Q-01 FDNY Flashcards | Quizlet
The flow of weak liquor to the absorber is controlled by B) throttling device
A) gas pressure
B) throttling device
C) float valve
D) pressure of the strong liquor pump
The best way of detecting ammonia brine is by using C) Nessler reagent
A) CO2 gas
B) potassium of lime
C) Nessler reagent
D) carbonate of soda
The best time to purge an ammonia plant with 250 lbs. of C) during operation
ammonia is
A) during shut-down, because you will lose ammonia
B) while charging the plant
C) during operation
D) none of the above
What will make the strong liquor in the absorber decrease? B) A decrease in evaporator load
A) expansion valve open too much
B) A decrease in evaporator load
C) An increase in evaporator load
D) Too much steam on the generator
Which of the following statements is incorrect? D) A rupture member automatically ruptures at a predetermined temperature
A) A service valve is a key-operated shut-off valve used
during shipment, installation and repairs
B) Brine is a liquid cooled by refrigeration and used for the
transmission of heat
C) A fusible plug has a set-temperature fusible member to
relieve pressure
D) A rupture member automatically ruptures at a
predetermined temperature
https://quizlet.com/1107641906/fdny-q-01-exam-fully-solved-updated-2025-2026latest-version-verified-for-accuracy-20242025latest-q-01-fdny-flash-cards/ 3/16
FDNY Q-01 EXAM fully solved & updated 2025-
2026(latest version verified for accuracy) |
2024\2025Latest!! Q-01 FDNY
1
Leave the first rating
Save
Students also studied
FDNY Z51/ Z-51 REFRIGERATION EX... NYC RMO EXAM, CHAPTER 19 (Capa... NYC RMO Chapter 14 RMO Review Test 3
Teacher 247 terms 27 terms 20 terms 100 terms
quizlette77172078 Preview georgem_59 Preview albion1224 Preview BakedLiger
Terms in this set (196)
Rupture members, when used in parallel with a relief valve, are 20%
not to exceed _____% above designed working pressure
Butterfly valve: where can it be used? Can be used on the inlet and outlet of a water pump
What electrical motor protection device automatically resets The thermal protector
itself?
746 watts equals how many kilowatt hours? .746 kilowatt hours
What position is the liquid line service valve normally in? Back-seated
https://quizlet.com/1107641906/fdny-q-01-exam-fully-solved-updated-2025-2026latest-version-verified-for-accuracy-20242025latest-q-01-fdny-flash-cards/ 1/16
,3/13/26, 8:23 PM FDNY Q-01 EXAM fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Q-01 FDNY Flashcards | Quizlet
In an operating evaporator, oil stays on top of which Carbon dioxide, R-744
refrigerant?
At what pressure does the relief valve blow on a high pressure 300 psi
machine?
What would indicate a restriction (such as dirt or scale) in the Frost immediately after the restriction
liquid line?
What does solubility mean? The ability of a refrigerant to mix with other substances
Charging Vapor —In a compression system, where do you Suction side of the compressor at the Suction Service Valve
charge the vapor?
When comparing a brine with s PH of 8 to one with a PH of 10, 100 times greater (ex. PH 8 to PH 9 is 10 times greater)
its alkalinity is:
In an efficiently operating induced draft cooling tower, the Dry bulb and wet bulb temperature
leaving water is between:
To produce the desired evaporator temperature, the power Head pressure as low as possible & suction pressure as high as needed
input is reduced by keeping head pressure...
The accumulator is usually between the... Compressor and evaporator
An oiling system in a large centrifugal system should consist of Reservoir, pump and distribution lines
at least...
In an evaporator that chills brine, the greatest cooling effect Boiling of low pressure liquid
on the brine results from the...
https://quizlet.com/1107641906/fdny-q-01-exam-fully-solved-updated-2025-2026latest-version-verified-for-accuracy-20242025latest-q-01-fdny-flash-cards/ 2/16
, 3/13/26, 8:23 PM FDNY Q-01 EXAM fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Q-01 FDNY Flashcards | Quizlet
The flow of weak liquor to the absorber is controlled by B) throttling device
A) gas pressure
B) throttling device
C) float valve
D) pressure of the strong liquor pump
The best way of detecting ammonia brine is by using C) Nessler reagent
A) CO2 gas
B) potassium of lime
C) Nessler reagent
D) carbonate of soda
The best time to purge an ammonia plant with 250 lbs. of C) during operation
ammonia is
A) during shut-down, because you will lose ammonia
B) while charging the plant
C) during operation
D) none of the above
What will make the strong liquor in the absorber decrease? B) A decrease in evaporator load
A) expansion valve open too much
B) A decrease in evaporator load
C) An increase in evaporator load
D) Too much steam on the generator
Which of the following statements is incorrect? D) A rupture member automatically ruptures at a predetermined temperature
A) A service valve is a key-operated shut-off valve used
during shipment, installation and repairs
B) Brine is a liquid cooled by refrigeration and used for the
transmission of heat
C) A fusible plug has a set-temperature fusible member to
relieve pressure
D) A rupture member automatically ruptures at a
predetermined temperature
https://quizlet.com/1107641906/fdny-q-01-exam-fully-solved-updated-2025-2026latest-version-verified-for-accuracy-20242025latest-q-01-fdny-flash-cards/ 3/16
