Sub-arc welding can utilize either solid or tubular filler metal
Indicate whether the statement is true or false
TRUE
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Solid-state relays normally have control voltages of _____.
a. 120VAC to 240VAC b. 5A to 25A c. 3V to 32V d. 35V to 50V
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Hidden lines take precedence over ____________ lines
Fill in the blank(s) with correct word
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The detailed thread prints for American National Standard taper pipe threads are the same as Unified threads except that the major and minor diameters taper at a rate of .0625 inches per inch.
Answer the following statement true (T) or false (F)
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One priciple of tubing design is to install manifold stations in central locations to ____ tubing runs between the manifold station and the room(s) to be heated.
a. straighten b. minimize c. maximize d. economize on
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