Question 17 of 20 :
select the best answer for the question.
17. technician a says that a micron
gauge is a better indicator of vacuum than
a gauge calibrated in inches of hg.
technician b says that the service valve
cores are normally removed before
evacuating the system. who is correct?
o a. technician a
o b. both technicians a and b
o c. neither technician a nor b
o d. technician b