How can an installer accurately determine the weight for a particular rooftop unit?
A) An accurate estimate can be obtained by multiplying the unit volume times 2 lb.
B) Balance the unit on top of an electronic charging scale.
C) Look in the manufacturer's installation instructions.
D) Calculate the unit volume and divide that volume by the density of copper.
C
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Describe the energy use of light dimmers.
What will be an ideal response?
Las barras de acero unidas dentro del concreto para aumentar su resistencia a veces se denominan _____.
a. alambre soldado (WWF) b. “rerods” c. acero pretensionado d. amarres
Answer the following statements true (T) or false (F)
1. The major issue of extending service hours is the lack of flexibility. 2. An alternative to increase capacity without increasing overhead is to add a second shift. 3. The six-day rotating schedule presents all of the benefits of the two-shift schedule with none of the drawbacks. 4. Two of the keys to getting on top and staying on top are constant vigilance and creativity.
How do you safely shut down the steam cleaning system?
What will be an ideal response?