What types of systems use staging thermostats?
What will be an ideal response?
Staging thermostats allow more than one stage of heating or cooling. Heat pump systems typically use the second stage of heat to control auxiliary heat. Many two-stage furnaces are now available with low-fire and high-fire operation. Air conditioners and heat pumps are also commonly available with two capacity compressors.
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The legend and many general notes are often saved as a ____ for insertion in any drawing when needed.
A. grouping B. stage C. block D. unit
La pieza de la estructura interior que toca el puntal de contorno y el cabezal se conoce como _____.
a. puntal corto b. punta principal c. repisón d. puntal común
Why is agriculture important?
What will be an ideal response?
In an RLC series circuit where XL ? XC, the current will ____________________ the voltage
Fill in the blank(s) with the appropriate word(s).