Core
OZONE CONSISTS OF MOLECULES CONTAINING (BLANK).
3 oxygen atoms
THERE'S NO SUCH THING AS A (BLANK) SUBSTITUTE.
drop in
A DEEP VACUUM IS MEASURED IN (BLANK).
Microns
THE SYSTEM SHOULD BE CHECKED FOR LEAKS IF THE PRESSURE IN A SYSTEM RISES FROM (BLANK) TO A LEVEL ABOVE (BLANK).
1mm hg, 2.5mm hg
THE APPLICABLE MAXIMUM LEAK RATES ARE 10% FOR (BLANK), 20% FOR (BLANK), AND 30% FOR (BLANK)
comfort, commercial, and industrial
(BLANK) REMOVE REFRIGERANTS WITHOUT THE ASSISTANCE OF THE APPLIANCE.
self contained recovery device
(BLANK) IS A VERY HIGH PRESSURE REFRIERANT AND GENERALLY DOES NOT NEED TO BE RECOVERED.
carbon dioxide
(BLANK) IS THE EASIEST WAY TO CHECK THE TYPE OF REFRIGERANT USED.
nameplate
ALL PRESSURE RELIEF VALVES SHOULD PIPED OR INSTALLED IN (BLANK), NEVER (BLANK).
parallel, series
THE US IS PART OF THE (BLANK) WHICH IS A INTERNATIONAL TREATY THAT ADDRESSES OZONE DEPLETION.
MONTREAL PROTOCOL
SECTION 608 OF THE (BLANK) SETS FORTH THE RULES AND REGULATIONS FOR REFRIERANTS.
Clean Air Act
SELF CONTAINED RECOVERY DEVICES MUST BE ABLE TO RECOVER (BLANK) OF THE REFRIGERANT WHEN THE COMPRESSOR IS OPERATING.
90%
WHEN FIRST INSPECTS AN OPERATING HERMETIC SYSTEM KNOWN TO BE LEAKING, YOU SHOULD (BLANK).
search for traces of oil
THE USE OF A OVERSIZED VACUUM COULD CAUSE (BLANK)
freezing the trapped water
THE COMPOUND GAUGE MEASURES SYSTEM PRESSURE FOR THE (BLANK) IN POUNDS PER SQUARE INCH GAUGE (PSIG).
low side
UPON COMPLETION OF A LEAK REPAIR, BEFORE RECHARGING THE SYSTEM, INSTALL A NEW (BLANK), AND COMPLETE A STANDING PRESSURE LEAK CHECK.
filter drier
WHEN USING NITROGEN, YOU MUST HAVE (BLANK) ON THE NITROGEN TANK.
regulator
AFTER ASSEMBLY, THE UNIT SHOULD BE PRESSURIZED WITH (BLANK)
nitrogen
BEFORE DISPOSING A LOW PRESSURE APPLIANCE, THE REFRIGERANT MUST BE RECOVERED TO (BLANK)
25 mm HG of absolute
A MEDIUM PRESSURE APPLIANCE WITH A FULL CHARGE WITH OR MORE THAN 200 POUNDS MUST BE RECOVERED TO A VACUUM OF (BLANK)
15 HG
(BLANK) REFRIGERANTS MIXTURES ARE MIXTURES OF COMPONENTS THAT HAVE DIFFERENT BOILING POINTS.
zeotropic and non-azeotropic
IF A TECH SUSPECTS CONTAMINATION IN HIS RECOVERY CYLINDER, A (BLANK) SHOULD BE TAKEN AND COMPARED TO THE (BLANK)
pressure measurement, PT chart
IF THE SYSTEM OPERATES WITH EXCESSIVE SUPERHEAT, THEN A LEAK IN THE (BLANK) IS SUSPECTED.
high pressure capillary tube system
EXCESSIVE RUNNING OF THE (BLANK) ON A LOW PRESSURE CHILLER GENERALLY INDICATES A LEAKING SYSTEM.
purge unit
YOU CAN BE FINED (BLANK) PER DAY, PER VIOLATION, FOR VIOLATING THE CLEAN AIR ACT.
44,539$