Which of the following is a correct statement regarding pipe threading?

a. Oil is not used during the threading process.
b. The threading machine should be used to tighten fittings onto pipe.
c. Once threading starts, it should continue until five threads extend past the die.
d. A tripod-mounted power threader is controlled with a foot pedal.


d. A tripod-mounted power threader is controlled with a foot pedal.

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What will be an ideal response?

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What was the name of the first capacitance device?

A) Battery B) Capacitor C) Leyden jar D) None of these

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A GE SoftWhite Longlife lightbulb is rated as follows:


The resistance of the filament of the bulb, measured with a standard multimeter, is 16.7 ?. When the bulb is connected into a circuit and is operating at the rated values given above, determine
a. The resistance of the filament.
b. The efficiency of the bulb.

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