A service valve can be used to ____.
A. check the electrical service to the compressor
B. isolate the refrigerant so the system can be serviced
C. check the air flow across the evaporator
D. check the ambient temperature at the condenser
Answer: B
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All of the following are considered job factors that impact the productivity of excavation and backfilling operations EXCEPT ________.
A. type of material excavated or backfilled B. access to or around site C. project size and complexity D. quality of job labor
A solid state device that allows electrical energy to flow through in only one direction is called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
Applying the reverse breakdown voltage to a diode will ________
A) never do any harm B) cause it to act like a capacitor C) cause it to act like a switch D) usually damage the diode
The desired relative humidity in an occupied space is in the __________% to __________% range, with ___________% being ideal.
What will be an ideal response?