Why might a technician need to install a larger transformer in a heating system?

A) If the furnace wire size is incorrect.
B) If output from the system is decreasing.
C) If accessories are added to an existing furnace.
D) If the technician is performing regular maintenance.


C

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When put together, plans, elevations, sections, and details constitute a set of ____.

a.drafts b.prints c.schema d.templates

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What does the 5 in the welding symbol shown in Figure 4 require?

a. The length of the weld
b. Weld size
c. The height of the weld
d. The pitch (center to center spacing)
e. Height of melt through

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Loose pouring insulation can be any of a variety of materials that can be poured into place and has bad insulating property.

Answer the following statement true (T) or false (F)

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Which statement concerning fast-packet multiplexing is not true?

A) it operates on the premise that circuits may be oversubscribed in the same way that stadium seats are oversold, with the understanding that not every subscriber user will be on line at the same time B) it is much more efficient than TDM or FDM C) it is a method used to transmit information D) none of the above (all are true)

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