FDNY Q-01 EXAM fully solved & updated
2026(latest version verified for accuracy) | 2026
Latest!! Q-01 FDNY
Save
Terms in this set (196)
Rupture members, when used in 20%
parallel with a relief valve, are not
to exceed _____% above designed
working pressure
Butterfly valve: where can it be Can be used on the inlet and outlet of a water
used? pump
What electrical motor protection The thermal protector
device automatically resets itself?
746 watts equals how many kilowatt .746 kilowatt hours
hours?
What position is the liquid line Back-seated
service valve normally in?
In an operating evaporator, oil stays Carbon dioxide, R-744
on top of which refrigerant?
,At what pressure does the relief 300 psi
valve blow on a high pressure
machine?
What would indicate a restriction Frost immediately after the restriction
(such as dirt or scale) in the liquid
line?
What does solubility mean? The ability of a refrigerant to mix with other
substances
Charging Vapor —In a compression Suction side of the compressor at the Suction
system, where do you charge the Service Valve
vapor?
When comparing a brine with s PH 100 times greater (ex. PH 8 to PH 9 is 10 times
of 8 to one with a PH of 10, its greater)
alkalinity is:
In an efficiently operating induced Dry bulb and wet bulb temperature
draft cooling tower, the leaving
water is between:
To produce the desired evaporator Head pressure as low as possible & suction
temperature, the power input is pressure as high as needed
reduced by keeping head
pressure...
The accumulator is usually between Compressor and evaporator
the...
, An oiling system in a large Reservoir, pump and distribution lines
centrifugal system should consist of
at least...
In an evaporator that chills brine, Boiling of low pressure liquid
the greatest cooling effect on the
brine results from the...
The flow of weak liquor to the B) throttling device
absorber is controlled by
A) gas pressure
B) throttling device
C) float valve
D) pressure of the strong liquor
pump
The best way of detecting ammonia C) Nessler reagent
brine is by using
A) CO2 gas
B) potassium of lime
C) Nessler reagent
D) carbonate of soda
The best time to purge an ammonia C) during operation
plant with 250 lbs. of ammonia is
A) during shut-down, because you
will lose ammonia
B) while charging the plant
C) during operation
D) none of the above
2026(latest version verified for accuracy) | 2026
Latest!! Q-01 FDNY
Save
Terms in this set (196)
Rupture members, when used in 20%
parallel with a relief valve, are not
to exceed _____% above designed
working pressure
Butterfly valve: where can it be Can be used on the inlet and outlet of a water
used? pump
What electrical motor protection The thermal protector
device automatically resets itself?
746 watts equals how many kilowatt .746 kilowatt hours
hours?
What position is the liquid line Back-seated
service valve normally in?
In an operating evaporator, oil stays Carbon dioxide, R-744
on top of which refrigerant?
,At what pressure does the relief 300 psi
valve blow on a high pressure
machine?
What would indicate a restriction Frost immediately after the restriction
(such as dirt or scale) in the liquid
line?
What does solubility mean? The ability of a refrigerant to mix with other
substances
Charging Vapor —In a compression Suction side of the compressor at the Suction
system, where do you charge the Service Valve
vapor?
When comparing a brine with s PH 100 times greater (ex. PH 8 to PH 9 is 10 times
of 8 to one with a PH of 10, its greater)
alkalinity is:
In an efficiently operating induced Dry bulb and wet bulb temperature
draft cooling tower, the leaving
water is between:
To produce the desired evaporator Head pressure as low as possible & suction
temperature, the power input is pressure as high as needed
reduced by keeping head
pressure...
The accumulator is usually between Compressor and evaporator
the...
, An oiling system in a large Reservoir, pump and distribution lines
centrifugal system should consist of
at least...
In an evaporator that chills brine, Boiling of low pressure liquid
the greatest cooling effect on the
brine results from the...
The flow of weak liquor to the B) throttling device
absorber is controlled by
A) gas pressure
B) throttling device
C) float valve
D) pressure of the strong liquor
pump
The best way of detecting ammonia C) Nessler reagent
brine is by using
A) CO2 gas
B) potassium of lime
C) Nessler reagent
D) carbonate of soda
The best time to purge an ammonia C) during operation
plant with 250 lbs. of ammonia is
A) during shut-down, because you
will lose ammonia
B) while charging the plant
C) during operation
D) none of the above
