What is the developed length for an elbow bend in 5" conduit if the center line radius is 20"?

a. 7.85"
b. 25"
c. 31.4"
d. 39.25"


c. 31.4"

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The deposition rate will ____ as the welding current is ____.

A. decrease, maintained B. decrease, increased C. increase, decreased D. increase, increased

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A leaking evaporative system can be diagnosed using ________

A) Nitrogen gas and headphones B) A smoke machine C) Either of these D) Neither of these

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When installing electric furnaces, all aspects of the power wiring circuit are crucial because of:

A) The sensitivity of the delicate electronic controls used to control electric heating elements. B) The intolerance of electric heating elements to voltage variation. C) The higher voltage that is supplied to electric furnaces. D) The high current draw of electric furnaces.

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Light soils are more difficult to till than heavy soils

Indicate whether the statement is true or false

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