How are the electrical loads that require electrical power for operation usually connected? Why?
What will be an ideal response?
Electrical loads that require electrical power for operation are usually connected in parallel, which allows them to receive full supply voltage for operation.
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Two methods are used to support earth pressure on a basement wall. In one of these, the basement wall supports the earth pressure and is commonly used where the site is much larger than the building's footprint to allow open excavations. The second method is used on a tight site, where the building's footprint covers the entire site or most of it. What type of excavation support system is used in
the second method? What will be an ideal response?
The ____ determines the thickness of the metal that can be cut.
A. arc length B. current C. cutting tip diameter D. fuel gas
The low-water ____________________ valve is responsible for deenergizing the hydronic system in the event the level of water in the system drops below the desired point.
Fill in the blank(s) with the appropriate word(s).
Two basic types of drawings are practical and technical.
Answer the following statement true (T) or false (F)