A “flame rod” senses the presence of a gas flame by using ionized particles in the flame as a ____.

a. conductor
b. resistor
c. regulator
d. extinguisher


a. conductor

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By 1700, the most populous colony in English America was

A. Massachusetts. B. Virginia. C. New York. D. Pennsylvania. E. Maryland.

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In current Detroit Diesel DDEC managed engines, which controller module is responsible for actuating fuel injection operations?

A. motor control module (MCM) B. common powertrain controller (CPC) C. electronic control unit (ECU) D. distributor unit (DU)

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____________________ is a form of population control for deer

Fill in the blank(s) with correct word

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Soft copper tubing can be joined by:

A) Compression fittings. B) Soldering and brazing. C) brazing, soldering, flaring, or compression. D) Flare fittings.

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