One method of controlling the output is with small relays, in which the CPU controls the ____.

a. relay coil
b. light-emitting diode
c. resistor
d. action of the timer


a. relay coil

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A device used to measure building plans is called a(n) ________.

A. ruler B. compass C. scale D. indicator

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The directions for mixing an insecticide are to use 11/ /3 fluid ounces of insecticide in each gallon of water. How many fluid ounces of insecticide should be mixed with 163/ /4 gallons of water?

What will be an ideal response?

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Describe the staffing challenges faced by President Trump in the first year of his administration.

What will be an ideal response?

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When the fuel oil tank is located below the burner, a __________-pipe system is necessary.

A. 1 B. 2 C. 3 D. 4

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