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ASE Heating and Air Conditioning Practice Test
Multiple Choice
ASE Heating and Air Conditioning
Multiple Choice Practice Test
Question 1 of 3
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When Diagnosing an ATC system most of the system temp sensors can be tested for:
A
current flow and continuity
B
voltage drop and current flow
C
resistance and voltage drop
D
Resistance and current flow
Most temp sensors can be tested for voltage drop and resistance. In general, the sensor should be replaced if its resistance is not within spec. Since a temp sensor's resistance varies with temp, check the voltage against temp and compare to manufacturer spec.
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