What fittings can be used to connect pipes coming together from different directions?
What will be an ideal response?
Pipes coming together from different directions may be connected by an elbow, tee, or Y. The elbow
or ell is used where a single line changes direction. The tee and Y are used where a line splits in two
directions.
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Las especificaciones de instalación de canalizaciones de metal se pueden encontrar en el:
a. Artículo 410 del NEC®. b. Artículo 386 del NEC®. c. Artículo 376 del NEC®. d. Artículo 392 del NEC®.
An ____ is an area where a wire mesh (or other conductive element) is (1) embedded in or placed under concrete; (2) bonded to all metal structures and fixed nonelectrical equipment that may become energized; and (3) connected to the electrical grounding system.
A. equidistant plane B. equilateral plane C. equipotential plane D. equipositionial plane
How do automatic sequence control circuits which sense motor current work?
What will be an ideal response?
The tire size markings for most passenger car tires in the United States use a combination of letters and numbers.
Answer the following statement true (T) or false (F)