Some codes and standards require specific edge preparations.
Answer the following statement true (T) or false (F)
True
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Explain the three common real-world applications of an angularity tolerance on a drawing.
What will be an ideal response?
El elemento de sujeción que se debe utilizar para sujetar una ventana a la estructura es un _____.
a. clavo para contramarcos b. tirafondo c. clavo para madera d. clavo sin cabeza
Which of the following is true of a flashback?
A. It produces a low whistle. B. When it occurs, the fuel valve should be closed first, followed by the oxygen valve. C. A flame is burning back inside the tip, torch, hose, or regulator. D. The valves should be closed slowly.
Opening a drain or blowdown valve on an operating boiler can result in _____
a. boiler damage b. flash steam c. a rise in boiler operating pressure d. valve failure