While examining a R-134a system through the sight glass, the refrigerant appears to be cloudy. Which of the following would probably be the cause?
A. low refrigerant level
B. high refrigerant level
C. contamination caused by desiccant breakdown
D. undercharge of oil in the system
Answer: C
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The annex is included in the National Electrical Code® for ________.
A. Any formal interpretations of the Code B. Informational purposes only C. Exclusive use of the authority having jurisdiction D. Tables
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The standardized Gaussian PRNG produces G sub "i". What is the mean and variance of accompanying figure?
What will be an ideal response?
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To avoid freezing the water in the chiller during recovery
A) Circulate the chiller water B) Add nitrogen to the chiller C) Turn off the condenser water pumps D) Operate the chiller
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Convert the following expressions to rectangular form:
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