To transmit information, systems using power-line carrier technology make use of _____.

a. dead legs
b. wiring
c. the metal portion of a building’s structure
d. GFCI devices and ground wiring


b. wiring

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Multiples and fractions of basic metric units are expressed as powers of 10, with the exception of the _____.

a. second b. ampere c. Kelvin scale d. Candela scale

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Some air cleaner assemblies have a flow restriction indicator that indicates when the air filter needs servicing.

Answer the following statement true (T) or false (F)

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A dash message "low air" and the air conditioning compressor not engaging indicates the system air pressure is below:

A. 90 PSI B. 80 PSI C. 70 PSI D. 60 PSI

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In fully automatic transmissions, all gear changes are controlled by:

A. the clutch and gear levers B. computers or hydraulics C. foot pedals D. range selector levers

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