WorksheetsAutomotive Air Conditioning Principals
Total questions: 21
Worksheet time: 21mins
Where would you expect to find a high pressure liquid within an AC system?
Between the compressor and the Thermal Xpansion Valve
Between the Thermal Xpansion Valve and the Evaporator
Between the compressor and the condenser
Between the Condenser and the Thermal Xpansion Valve
What does a Thermal Xpansion Valve do?
Cleans, dries and filters the refrigerant
It controls the quantity of refrigerant entering the evaporator
Allows for an increase in pressure and temperature prior to entering the condenser
It acts as a safety device if the compressor is over pressuring the system
If contamination within an air conditioning system is suspected and a flushing procedure is to be carried out what component should also be changed?
Compressor
Receiver Drier
Thermal Xpansion Valve
Condenser
When leaving the compressor what state is the refrigerant in?
High Pressure, High Temperature gas
High Pressure, High Temperature liquid
Low Pressure, low Temperature gas
Low Pressure, low Temperature gas
The main components of the Air conditioning system are
Thermistor, condenser, flow control and an evaporator.
Fan blower, condenser, flow control and an evaporator.
Compressor, condenser, TXV and an evaporator.
Drainage, condenser, flow control and an evaporator.
Which component squeezes the gas?
Compressor
Condenser
Evaporator
Thermal Xpansion Valve
Which system has moving parts?
Thermal Xpansion Valve
Fixed orifice
Variable Fixed Oriface
Where does the low pressure liquid become a gas?
Evaporator
Condenser
TX valve
Compressor
In what state is the refrigerant when it exits the condenser?
High pressure gas
Low pressure gas
High pressure liquid
Low pressure liquid
Where is the Thermal Xpansion Valve installed in the refrigeration system?
At the condenser inlet and outlet tubes
Between the evaporator outlet and the compressor inlet
At the evaporator inlet fittings
Between the evaporator outlet and condenser inlet
The receiver-drier is always located on the ________ pressure side of the refrigeration systems and is mounted ______________.
low, next to the condenser or prior to the Thermal Xpansion Valve
low, after the evaporator
high, after the evaporator
high, next to the condenser or prior to the Thermal Xpansion Valve
as refrigerant moves through the condenser it goes from _____ to ________
a Vapor to a Liquid
a Liquid to a Vapor
Low pressure Vapor to a low pressure vapor
High pressure liquid to a low pressure liquid
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