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RI Journeyman's Refrigeration License (The Basics) Questions With 100% Correct Answers!!
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RI Journeyman's Refrigeration License (The Basics) Questions With 100% Correct Answers!!
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Name: Score:214 Multiple choice questions
Term 1 of 214
______________ would be the minimum bending radius on 1/2" soft copper tubing.
5 feet
2 1/2"
90 degrees
3/4"
Term 2 of 214
The _________ is the part of the air conditioning system that changes the refrigerant from a low-
pressure gas into a high-pressure gas.
condenser
compressor
accumulator
evaporator
Term 3 of 214
The component that is commonly added to the hot gas defrost system that is not on a warm water
defrost system is an _____________
thermostat.
accumulator.
expansion valve.
solenoid valve.
,Term 4 of 214
In a sealed system __________________ the pressure increases
as the temperature increases
capillary action
the pressure decreases as the temperature decreases
metering device
Term 5 of 214
Refrigerant pipe joint located in the air ducts carrying air to humanly occupied space
_______________________
must be constructed to withstand a temperature of 700 degrees without leakage.
should be able to handle extreme pressure without any issues.
must be made of a material that is easily bendable.
needs to be painted in a specific color for identification.
Term 6 of 214
___________________ compressor can handle some liquid refrigerant flood back.
The turn type
The spiral type
The twist type
The scroll type
,Term 7 of 214
The purpose for a reaming tool is to __________________________
remove burrs from tubing after cutting.
weld tubing together.
clean tubing with chemicals.
measure tubing diameter.
Term 8 of 214
A Boudelot cooler ________________
a micron gauge
the receiver
is a heat exchanger
converts liquid into mist
Term 9 of 214
______________ when the receiver is protected with a pressure relief on a limited charge system.
The receiver should be operated at a pressure higher than the relief valve setting
The receiver should be left unprotected without any safety measures
The pressure relief valve is not necessary for the system
The design pressure of the receiver need not exceed the setting on the pressure relief
, Term 10 of 214
___________________________a copper joint must never be soldered or brazed.
Soldering copper joints is only allowed in the presence of a certified technician.
A copper joint must never be soldered or brazed in direct sunlight.
Brazing copper joints is recommended for joints under minimal stress.
When the system is under pressure
Term 11 of 214
___________________ is the type of equipment that uses refrigerant that boils between -58 and 50 F at
atmospheric pressure.
High pressure
Low pressure
Medium pressure
Extreme pressure
Term 12 of 214
_____________ is the part of the system that prevents liquids from entering the compressor.
Metering device
Condenser
Receiver
The accumulator
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