Nate AC Service Test Questions and Correct Rationales Graded A+.
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Course
Nate commercial
Institution
Nate Commercial
A technician has determined a supply in a flexible duct system is leaking. What should be checked? - Answer: All connections inner and outer layers.
Electronic air cleaners can operate with internal voltages as high as? - Answer: 5000v
Why do some electromechanical type thermostats req...
Nate AC Service
Test Questions and
Correct Rationales
Graded A+
Denning [Date] [Course title]
, A technician has determined a supply in a flexible duct system is leaking. What should be checked? -
Answer: All connections inner and outer layers.
Electronic air cleaners can operate with internal voltages as high as? - Answer: 5000v
Why do some electromechanical type thermostats require connections to both the hot side and
common side of the low voltage transfromer - Answer: Display lights must be powered using both sides
of the line
the continuity reading on a functional fuse will be - Answer: 0 ohms
a compressor with proper voltage and a hard start relayt and capacitor draws lock rotor amps on
startup. what is the problem? - Answer:
the technician believes that a hermetic compressor has a permanently openn internal overload
protectio the technician should test the compressor while it is? - Answer: cool
outdoor condensing units that are installed in areas where flooding is possible must - Answer: be
mounted above flood level
In a low voltage circuit, a corroded wire-to-terminal connection acts in the circuit like an - Answer:
additional resistor
a system with a reciprocating compressor is pumped down and the power is shut off. if the suction
pressure rises very rapidly this is an indication that the - Answer:
if an air conditioning system needs to operate in a low ambient condtion, the condenser may become to
effiecent - Answer: the head pressure becomes too low and the condenser fan motor needs to be
slowed or stopped
to achieve a specific seer rating which components must be matched - Answer: condensing unit and
evaporator
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