NEC Article 376 contains definitions for _____.

a. bus bracing
b. metal wireways
c. panelboards
d. clearances


b. metal wireways

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Which component in a truck cooling system requires that the coolant has some lubricating properties?

A. water pump B. radiator shutters C. thermostat D. intercooler

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Sketch the symbol for a square butt weld.

What will be an ideal response?

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Properties considered in material selection include:

A) Thermal conductivity B) Corrosion resistance C) Strength D) All of the above

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The energy balance equation is _____

A) Elost = Ein - Eout + Estored B) Ein = Eout - Elost + Estored C) Eout = Ein + Estored - Elost D) Eout = Ein - Elost - Estored

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