fdny z51 rmo questions answered 2023 verified graded A+
already passed!
The suction and discharge valve of the reciprocating
compressor are mounted as follows -
<<Answers>>>Discharge valve on top of the valve plate and
suction valve below
A high side float is used to maintain -
<<Answers>>>Constant level of refrigerant in the evaporator
Which of these compressors is not a positive type compressor
displacement - <<Answers>>>Centrifugal
When is emergency power not required according to code -
<<Answers>>>Data centers
The charge in TEV sensing bulb is - <<Answers>>>Similar to
the refrigerant in this system
The cooling medium for a cooling tower is -
<<Answers>>>Air
,A technician has been asked to estimate the cost of operating
a 5 horsepower motor because the plant is billed by energy
consumed as kilowatt hours the technician will calculate the
conversion the equivalent in energy of a 5 horse power motor
operating for 9 hours and kilowatt hours is closest to -
<<Answers>>>33.6 (one horsepower equals. 746)
The only refrigerant/temperature chart available to refrigerate
engineer list the temperature in ゚C if the chart indicates a
Celsius temperature of 5゚ the equivalent In Fahrenheit is -
<<Answers>>>41゚ (1.8 × 5)+ 32 equals)
How do you start a centrifugal chiller - <<Answers>>>Start
the chilled water pump then start the condenser water pump
check oil start cooling tower start compressor
A circuit breaker has a similar function as what -
<<Answers>>>A fuse
A standpipe system will be out of service for 2 days how long
should there be fire watch - <<Answers>>>The entire time
the standpipe is out of service
In a building with a multi zone How does each zone get
supplied with water - <<Answers>>>Each zone will have its
own automatic water supply
, Which service valve should be Install to isolate dual pressure
relief valve while keeping the system in service -
<<Answers>>>3 way valve
How many BTU's are removed in a 30 ton system -
<<Answers>>>360000 BTU's per hour
An automatic expansion valve maintains a constant -
<<Answers>>>Evaporator pressure
If the air lovers below the fans in an induced draft cooling
tower become clogged the result would be -
<<Answers>>>Higher return water temperature
You have a cold front and there is a sudden drop in
temperature the thermostat will cause the solenoid valve -
<<Answers>>>Close and pump the compress it down and
shut down on low pressure
What happens when a steam turbine reaches critical speed -
<<Answers>>>Turbine will vibrate violently
What Device automatically controls the speed of a steam
turbine - <<Answers>>>Governor valve
already passed!
The suction and discharge valve of the reciprocating
compressor are mounted as follows -
<<Answers>>>Discharge valve on top of the valve plate and
suction valve below
A high side float is used to maintain -
<<Answers>>>Constant level of refrigerant in the evaporator
Which of these compressors is not a positive type compressor
displacement - <<Answers>>>Centrifugal
When is emergency power not required according to code -
<<Answers>>>Data centers
The charge in TEV sensing bulb is - <<Answers>>>Similar to
the refrigerant in this system
The cooling medium for a cooling tower is -
<<Answers>>>Air
,A technician has been asked to estimate the cost of operating
a 5 horsepower motor because the plant is billed by energy
consumed as kilowatt hours the technician will calculate the
conversion the equivalent in energy of a 5 horse power motor
operating for 9 hours and kilowatt hours is closest to -
<<Answers>>>33.6 (one horsepower equals. 746)
The only refrigerant/temperature chart available to refrigerate
engineer list the temperature in ゚C if the chart indicates a
Celsius temperature of 5゚ the equivalent In Fahrenheit is -
<<Answers>>>41゚ (1.8 × 5)+ 32 equals)
How do you start a centrifugal chiller - <<Answers>>>Start
the chilled water pump then start the condenser water pump
check oil start cooling tower start compressor
A circuit breaker has a similar function as what -
<<Answers>>>A fuse
A standpipe system will be out of service for 2 days how long
should there be fire watch - <<Answers>>>The entire time
the standpipe is out of service
In a building with a multi zone How does each zone get
supplied with water - <<Answers>>>Each zone will have its
own automatic water supply
, Which service valve should be Install to isolate dual pressure
relief valve while keeping the system in service -
<<Answers>>>3 way valve
How many BTU's are removed in a 30 ton system -
<<Answers>>>360000 BTU's per hour
An automatic expansion valve maintains a constant -
<<Answers>>>Evaporator pressure
If the air lovers below the fans in an induced draft cooling
tower become clogged the result would be -
<<Answers>>>Higher return water temperature
You have a cold front and there is a sudden drop in
temperature the thermostat will cause the solenoid valve -
<<Answers>>>Close and pump the compress it down and
shut down on low pressure
What happens when a steam turbine reaches critical speed -
<<Answers>>>Turbine will vibrate violently
What Device automatically controls the speed of a steam
turbine - <<Answers>>>Governor valve