For most residential systems, a ____ cfm vacuum pump is adequate.
A) 3
B) 4
C) 5
D) 6
Correct Answer:
Verified
Q9: The presence of acid in the system
Q10: Some manufacturers recommend draining the oil from
Q11: The technician should never block the vacuum
Q12: When the system is being evacuated and
Q13: In a vacuum of 29.92"Hg, the micron
Q15: How often should the vacuum pump oil
Q16: If moisture is not removed from the
Q17: Freezing moisture in the system can lead
Q18: Industry and Federal guidelines require that the
Q19: _ will not change from a vapor
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents