What did early commercial and industrial control systems use to maintain the temperature in a structure, zone, or room?

What will be an ideal response?


Early commercial and industrial control systems used mechanical/electrical control systems to stop and start loads to maintain the temperature in a structure, zone, or room.

Trades & Technology

You might also like to view...

If a foundation is square, all points can be laid out without moving the tripod. What mathematical formula would you use?

What will be an ideal response?

Trades & Technology

Using the appropriate table, determine the individual R-values of the following materials:

a. 4-in. nominal (actual 3 -5/8in.)-thick brick wall b. 5/8 -in.-thick gypsum board c. 2-in.-thick extruded polystyrene (XPS) board

Trades & Technology

The third-party Progressive Republican presidential campaign of Theodore Roosevelt in 1912

A. featured the support of prominent women progressives and social reformers such as Jane Addams. B. failed to endorse significant social justice causes such women's suffrage, minimum wage laws, and publicly supported health care. C. assumed the animal symbol of the "bull moose" to represent the strength and aggressiveness of Roosevelt. D. never developed a coherent political programmatic counterpart to Wilson's New Freedom campaign. E. possessed such a limited progressive scope that it cannot be considered a harbinger of President Franklin Roosevelt's New Deal and a vision for a comprehensive welfare state.

Trades & Technology

Which of the following will cause an increase in pump stroke?

A. changes in engine speed B. steering requirements C. implement activation D. All of the above

Trades & Technology