Multiple Choice
If, while troubleshooting an R-22 residential air conditioning system at near design conditions, the operating pressures are found to be 80 psig on the low side and 200 psig on the high side, it is most likely that the system is opperating
A) with a compressor that has leaking valves
B) with a rerigerant overcharge
C) with an overfeeding metering device
D) properly
Correct Answer:
Verified
Correct Answer:
Verified
Q5: Which type of bearings do most residential
Q6: Most modern residential blower motors are of
Q7: Which type of leak detection involves burning
Q8: List three key indicators that pulleys are
Q9: Which type of leak detection uses a
Q11: If, while troubleshooting a residential central air
Q12: Which is NOT a cause of high
Q13: Which is NOT a cause for low
Q14: Which of the following could be the
Q15: To use the electronic leak detector, the