An air conditioner with a thermostatic expansion valve is operating with a condenser saturation temperature of 110°F and a liquid-line temperature of 85°F. The factory-specified subcooling for the current operating condition is 10°F. After checking the condenser coil and airflow, the technician should:
A) Add charge because the system is undercharged.
B) Leave the charge alone because it is cooling even better than factory specifications.
C) Move some of the charge from the low side of the system to the high side of the system to balance the charge.
D) Recover charge because the system is overcharged.
D
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____________________ creates an insulating barrier that will not allow the solder to flow easily onto the surfaces being soldered.
Fill in the blank(s) with the appropriate word(s).
Which of these cannot be accomplished using the layer drop-down list:
a. create new layers b. set current layer c. turned layers on and off d. freeze and thaw
When documenting information about a problem for the record, _____.
a. use technical language so that only your peers will be able to understand it b. clearly state the facts related to the problem so that readers can draw their own conclusions c. give your opinion about the cause in order to guide the reader to a conclusion d. identify who you think caused the problem and how they should be dealt with
When are the two universal joints on a driveshaft operating in-phase?
A. transmission and rear axle are on the same horizontal plane B. the two shaft sections are on the same vertical plane C. the slip-yoke lugs and the tube-yoke lugs are aligned with each other D. all of the above