PRACTICE TEST 2025 QUESTIONS
WITH 100% VERIFIED ANSWERS!!
only capacity
capacity
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2 of 87
Term
What is the main fuction of an air condition condenser?
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To cool the air before it enters the To increase the pressure of the
system refrigerant
To heat the refrigerant for To remove heat from the
circulation refrigerant
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3 of 87
Term
A split-system air conditioning unit has:
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the evaporator and fan connected the condenser and metering device
by an air duct connected directly
, the compressor and
condenser connected by a
the compressor and evaporator
refrigeration line set to the
housed in a single unit
metering device and
evaporator
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Before a vapor / compression system is opened for service
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the refrigerant must be left in the the refrigerant must be vented into
system the atmosphere
the refrigerant must be
the refrigerant must be drained
recovered using approved
without equipment
equipment
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What do water cooling towers require?
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Periodic de-scaling - high operating pressures
Weekly cleaning A chlorobutyl liner
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refrigerant undercharge
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- high operating pressures, - high operating pressures
periodic de-scaling - low operating pressures
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When using an electronic leak detecto, the sensor probe