When the heating thermostat contact closes, a circuit exists to the time delay relay (TDR) and ____.

a. condensing unit
b. door interlock
c. lock-out relay
d. draft motor relay (DMR)


d. draft motor relay (DMR)

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The placement of parts together in a manner that will minimize the waste created is called ____________________.

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

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Determine the amount of excavation needed for the spread footing in Figure 10.59. A three-foot working distance is required and the excavation will be sloped 1:1 (one vertical foot for every horizontal foot).

What will be an ideal response?

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An AGM battery differs from a conventional flooded battery in what way?

A) Each cell has a voltage sensor B) It does not contain electrolyte C) The electrolyte is absorbed into glass separator and will not spill D) It does not contain lead

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DC injection braking is used on _____

a. the stationary windings of AC motors b. compound DC motors where a slower stopping method is acceptable c. the rotors of shunt motors d. the rotors of series motors

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