A refrigerant machine operator is an important person for the transportation of items that need a specified degree of temperature. Are you one of them or just interested? If so, take up the test and all the best.
REMOVES PARTICLES
REMOVES MOISTURE
REMOVES ACID
ALL OF THE ABOVE
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A REFRIGERANT FIRE
REFRIGERANT POISONING
OXYGEN DEPRIVATION
ATMOSPHERIC SUPERHEATING
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CURRENT x VOLTAGE x POWER FACTOR
CURRENT x VOLTAGE
VOLTAGE x RESISTANCE
CURRENT x RESISTANCE
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GATE VALVE
BUTTERFLY VALVE OR PLUG VALVE
TWO WAY VALVE
THREE WAY VALVE
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SIGHTGLASS
THERMOSTAT
LOW PRESSURE CUT OUT, PRESSURE SWITCH
REFRIGERANT CHARGE
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TACHOMETER
SPEEDOMETER
PEDOMETER
TRACKOMETER
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PIPE HICKEY
SPRING TYPE TUBE BENDER
VISE
PINCH BAR
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MORE CONDUCTIVE
COST LESS
NO CORROSION
HIGHER FREEZING POINT
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RESISTOR
RECTIFIER
GENERATOR
CAPACITOR
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TYPE OF REFRIGERANT IT CAN BE USED WITH
MELTING POINT OF ALLOY
RELEASE PRESSURE
RESET PRESSURE
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CAN'T FLARE THAT LARGE
CAN'T TIGHTEN TO GET A GOOD SEAL
AGAINST THE LAW
EASIER TO SWEAT
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SUPERHEAT
HEAT OF FUSION
HEAT OF EVAPORATION
SUBCOOLING
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100 LBS
150 LBS
300 LBS
5 DRUMS
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RUBBER
GRAPHITE LOADED FIBER
CARBON AND METAL
FORTIFIED PLASTIC
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HAS TO RECOVER ONLY THE R-22
CAN VENT THE MIXTURE TO THE ATMOSPHERE
RECOVER BOTH INTO THE SAME CONTAINER
RECOVER BOTH, BUT IN SEPARATE CYLINDERS
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IT IS FULL OF WATER AND ALL AIR HAS BEEN PURGED OUT
WATER IS LEAKING FROM THE PACKING
THE PACKING WILL MAINTAIN THE WATER IN THE PUMP
NO REFRIGERANT IS LEAKING
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CONNECT THE EXTRA LINE TO MAKE 3 PHASE
2 UNFUSED WIRES DO NOT NEED TO BE INSULATED
THE NEUTRAL LINE OF A 120/240 CIRCUIT
THIS WOULD PRESENT AN UNSAFE CONDITION
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PLASTIC
RUBBER
GRAPHITE FIBER HEMP
METAL
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MANUAL ONLY
AUTOMATIC ONLY
VALVES NOT NEEDED
MANUAL AND AUTOMATIC
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VERY HIGH TEMPERATURE GAS MIXED WITH LIQUID
DRY VAPOR
DRY VAPOR AT ITS BOILING POINT
DRY VAPOR ABOVE ITS BOILING POINT
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10°F
10°C
1°F
1°C
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VENT REFRIGERANT AND NITROGEN TO OPEN AIR
REMOVE REFRIGERANT AND NITROGEN AT RECOVERY MACHINE
ADD REFRIGERANT
ADD REFRIGERANT IF NEEDED AND PUT SYSTEM BACK ONLINE
SUCTION LINE FILTER DRIER IS HARDER TO CHANGE THAN THE LIQUID LINE FILTER DRIER
IS LESS EFFICIENT THAN THE LIQUID LINE FILTER DRIER DUE TO DENSITY OF REFRIGERANT
SUCTION LINE FILTER DRIER IS TOO BIG AND BULKY
IF IT GETS CLOGGED THE SUCTION LINE FILTER DRIER REDUCES MORE OF THE CAPACITY OF THE COMPRESSOR THAN THE LIQUID LINE FILTER DRIER
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VAPOR
SATURATED VAPOR
SUPERHEATED VAPOR
DRY VAPOR
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10°C
10°F
1°C
1°F
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SATURATED VAPOR
SUPERHEATED VAPOR
LOW TEMPERATURE LIQUID
HOT VAPOR
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1
5
20
10
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RECOVERY MACHINE
CHARGING CYLINDER
VACUUM PUMP
ALL OF THE ABOVE
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15-20 MINUTES
30-40 MINUTES
NO LESS THAN 60 MINUTES
DOESN'T NEED WARM UP
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SUCTION ON TOP, DISCHARGE ON BOTTOM
SUCTION ON BOTTOM, DISCHARGE ON TOP
SUCTION AND DISCHARGE ON TOP
SUCTION AND DISCHARGE ON BOTTOM
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OPEN SUCTION SIDE VALVE AND PUT DISCHARGE IN THE THROTTLE POSITION
OPEN SUCTION, CLOSE DISCHARGE
CLOSE SUCTION, OPEN DISCHARGE
OPEN SUCTION AND SLOWLY FULLY OPEN DISCHARGE
TO ALLOW WATER TO LEAK OFF WHEN USING MECHANICAL SEAL TYPE
SHOWS THAT WATER IS INSIDE WHEN IT IS DRIPPING
PREVENTS AIR FROM ENTERING WHEN IT IS UNDER NEGATIVE PRESSURE
STEAM CREATES POSITIVE PRESSURE TO PREVENT STEAM LEAKAGE
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ZERO THE OHM ADJUSTMENT
TOUCH THE TWO LEADS TOGETHER TO ENSURE CONTINUITY
SET THE RANGE SELECTOR TO A SETTING HIGHER THAN THE VOLTAGE EXPECTED TO BE READ
TURN THE POWER OFF
NONE OF THE ABOVE
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NEEDLE BEARING
SLEEVE BEARING
BALL BEARING
KINGSBURY BEARING
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RAIN CAN GET IN AND AFFECT ITS PERFORMANCE
WIND CAN AFFECT THE FLAME SIZE
YOU WILL NOT BE ABLE TO DETECT THE CHANGE IN COLOR DUE TO THE BRIGHTNESS OUTSIDE
OXYGEN OUTSIDE MAY CAUSE EXPLOSION
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FILTER DRIER, SOLENOID VALVE, SIGHT GLASS, TEV TO EVAPORATOR
SOLENOID VALVE, FILTER DRIER, SIGHT GLASS, TEV TO EVAPORATOR
SIGHT GLASS, SOLENOID VALVE, FILTER DRIER, TEV TO EVAPORATOR
TEV, SIGHT GLASS, SOLENOID VALVE, FILTER DRIER TO EVAPORATOR
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THE RMO CAN TOUCH THE LINE AND USE HIS EXPERIENCE TO ESTIMATE WHAT THE TEMPERATURE IS
BUY A THERMOMETER AND STICK IT ON THE SUCTION LINE WITH PUTTY
GET TWO THERMOMETERS AND GET THE AVERAGE READINGS
TOUCH THE THERMOMETER ON THE SUCTION LINE AND GET A READING
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STARTING UP
LUBRICATING THE MAIN PUMP BEARINGS
ONLY USED WHEN MAIN PUMP IS MALFUCTIONING
USED IN RECPRROCATING MACHINES
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CREATE POSITIVE PRESSURE
ELIMINATE LEAKAGE AT THE END OF THE SHAFT
TO HEAT THE GLANDS
BOTH A AND B ARE CORRECT
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DOESN'T FLOW
FLOWS EASILY, SMOOTHLY
FLOW IS SLOW
RESTRICTED FLOW
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TRAVELS WITH THE REFRIGERANT TO COOL THE REFRIGERATION SYSTEM
TRAVELS BACK TO THE OIL SUMP
IS COMPATIBLE WITH REFRIGERANT AND WILL TRAVEL THROUGH SYSTEM AND RETURN TO THE OIL SUMP
TRAVELS THROUGH THE SYSTEM AND IS DRAINED OUT OF THE SUMP BY A PETCOCK VALVE
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WHEN THE SUCTION INLET OF THE WATER SOURCE IS BELOW THE PUMP LEVEL
WHEN THE DISCHARGE IS 120' ABOVE
WHEN THE WATER IS LIFTED BY PUMP
WHEN THE PUMP WEIGHS LESS THAN 50 LBS.
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CFCs
HIGH PRESSURE REFRIGERANT
LOW PRESSURE REFRIGERANT
ALL THE ABOVE
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LUBRICATE THE SYSTEM
FORM ACIDS AND SLUDGE
CAUSE NON-CONDENSEABLES TO FORM
FREEZE UP IN CONDENSER
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LOW LOSS FITTINGS
SOLDERED FITTINGS
FLARE FITTINGS
AUTOMATIC LOSS FITTINGS
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38 PSIG
70 PSIG
18.5" Hg
81
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YOU CAN MAKE A REPAIR WITHOUT INTERRUPTING THE OTHER
EACH ONE FEEDS ITS OWN EVAPORATOR
IF ONE CLOGS, FLOW WILL CONTINUE THROUGH THE SECOND
WHEN THE LOAD DECREASES IT WILL FEED FASTER
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BRAZING ALLOYS
ANY LOW TEMPERATURE SOLDER
50-50 TIN LEAD
SILVER SOLDER
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