State the two variations of single package conditioners and the tonnage capacity ranges of each
What will be an ideal response?
Horizontal conditioner Horizontal packaged heating and cooling units, with integral air cooled condensers, in the size range of 1 2 to 5 tons.
Vertical conditioner Vertical self contained air conditioners, with water cooled or remote air cooled condensers, in the size range of 3 to 15 tons.
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How are control devices wired in most HVACR circuits?
A) Controls may be wired either series or parallel to the load, depending upon the type of control that is needed B) Controls are typically wired in parallel with the power supply so that they receive full voltage for proper operation C) Controls are typically wired in series with the load they control D) Controls are typically wired in parallel to the load they control
How can you use layers to control which objects are visible in your model?
What will be an ideal response?
Which of the following digital IC logic families is most susceptible to static discharge?
A) MOS B) ECL C) TTL D) RTL
The intermediate section of an AC drive performs the filtering function.
Answer the following statement true (T) or false (F)