Technician A says that a high speed scopemeter can help technicians interpret hexadecimal code for troubleshooting purposes. Technician B says that a labscope may help to identify a non-communicating node (controller) on the bus. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: C
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The NEC® article that provides the rules for demand factors is _____.
a. NEC Article 110 b. NEC Article 210 c. NEC Article 220 d. NEC Article 230
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Power window systems use __________ motors?
A) Reversible B) Servo C) Unidirectional D) Stepper
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Purged air is released from the:
A) Bottom of the condenser. B) Bottom of the chiller. C) Top of the condenser. D) Top of the chiller.
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How can the presence of non-condensables be detected in a refrigerant cylinder?
What will be an ideal response?
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