Zone control valves are controlled by ____________________.

Fill in the blank(s) with the appropriate word(s).


thermostats

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The SI unit for specific weight is

a. lb/cm^3 b. lb/in3 c. unitless d. N/m^3

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Optical fiber cables can support faster data rates than copper conductors

Indicate whether the statement is true or false

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Source devices on a bus typically use tristate buses to avoid bus contention

Indicate whether the statement is true or false

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The approximate amount of joint tape required to finish 1,000 square feet of drywall is _____

a. 210' b. 260' c. 300' d. 370'

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