You are checking the supply chilled water temperature thermistor probe on a high- pressure hermetic centrifugal chiller. Using the illustrated chart, what statement is true if the supply water temperature is verified 45 ° F with a digital thermometer. GS-RA-48 Illustration GS-RA-48: the U.S. Coast Guard has not released this illustration.
Official USCG Answer & Rule Citation
Correct Answer: Option D — When checked with control power on and the thermistor probe connected into the circuit, the thermistor probe voltage drop should be 3.805 volts.
Under USCG National Maritime Center examination standards, the accepted correct answer is: When checked with control power on and the thermistor probe connected into the circuit, the thermistor probe voltage drop should be 3.805 volts..
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