When three solid-state relays are connected in series, the supply voltage must be _____.

a. half of the minimum operating voltage for a single relay
b. a third of the minimum operating voltage for a single relay
c. triple the minimum operating voltage for a single relay
d. four times the minimum operating voltage for a single relay


c. triple the minimum operating voltage for a single relay

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While power tools are in use, persons required to wear safety glasses or goggles are _____.

a. only the operator b. all workers on the job c. workers in the tool vicinity d. everyone within 50 feet

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The column cacti need direct sunlight

Indicate whether the statement is true or false

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The kindling temperature of iron is ____.

A. 600 degrees Fahrenheit B. 1000 degrees Fahrenheit C. 1200 degrees Fahrenheit D. 1600 degrees Fahrenheit

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Determine the number of linear feet of forms needed for the continuous footings shown in Figures 10.36 and 10.37.

What will be an ideal response?

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