EPA Type 2
A compressor heater is used to: - ANS-lessen the quantity of refrigerant within the lubricating oil
A reciprocating compressor should no longer be energized if the - ANS-discharge service valve
has closed
A gadget may be evacuated to best atmospheric strain whilst: - ANS-leaks inside the equipment
make the evacuation to the prescribed degree not possible
After refrigerant liquid has been recovered from a machine, any remaining vapor is: -
ANS-condensed by the restoration machine
EPA rules require that leaking industrial or business process refrigeration gadget ought to be
repaired whilst the leak price exceeds______ of the fee in step with yr. - ANS-35%
For what refrigerant is an device room refrigerant display required under ASHRAE trendy 15? -
ANS-R-123
Heat pumps that have been retrofitted from R22 to R407C ought to be leak checked with: -
ANS-pressurized nitrogen
Moisture is removed a device with the aid of: - ANS-the usage of a clear out drier
Prior to changing the condenser coil in a excessive pressure machine, the refrigerant changed
into recovered and stored in a refillable container. The refrigerant: - ANS-can in all likelihood be
charged lower back into the system
R-410A requires healing tanks rated for at least: - ANS-four hundred psig
Recycling and recovery gadget maufactured after 11-15-93 does not want an oil separator -
ANS-...
System- established recovery system CANNOT be used when: - ANS-the appliance includes
over 15 pounds of refrigerant
The backseating of a suction shutoff valvee will near the: - ANS-guage port
The primary water source for cooling the condenser of a water-cooled restoration unit is: -
ANS-nearby municipal water supply
A compressor heater is used to: - ANS-lessen the quantity of refrigerant within the lubricating oil
A reciprocating compressor should no longer be energized if the - ANS-discharge service valve
has closed
A gadget may be evacuated to best atmospheric strain whilst: - ANS-leaks inside the equipment
make the evacuation to the prescribed degree not possible
After refrigerant liquid has been recovered from a machine, any remaining vapor is: -
ANS-condensed by the restoration machine
EPA rules require that leaking industrial or business process refrigeration gadget ought to be
repaired whilst the leak price exceeds______ of the fee in step with yr. - ANS-35%
For what refrigerant is an device room refrigerant display required under ASHRAE trendy 15? -
ANS-R-123
Heat pumps that have been retrofitted from R22 to R407C ought to be leak checked with: -
ANS-pressurized nitrogen
Moisture is removed a device with the aid of: - ANS-the usage of a clear out drier
Prior to changing the condenser coil in a excessive pressure machine, the refrigerant changed
into recovered and stored in a refillable container. The refrigerant: - ANS-can in all likelihood be
charged lower back into the system
R-410A requires healing tanks rated for at least: - ANS-four hundred psig
Recycling and recovery gadget maufactured after 11-15-93 does not want an oil separator -
ANS-...
System- established recovery system CANNOT be used when: - ANS-the appliance includes
over 15 pounds of refrigerant
The backseating of a suction shutoff valvee will near the: - ANS-guage port
The primary water source for cooling the condenser of a water-cooled restoration unit is: -
ANS-nearby municipal water supply
