Which of the following has the advantage of being resistant to shock and vibration and is commonly used for the I/O track of a programmable controller?

a. Solid-state relay
b. Mechanically held relay
c. Bimetallic overload relay
d. Thermal overload relay


a. Solid-state relay

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? Identify and state the historical significance of John Singleton Copley.

What will be an ideal response?

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Productivity is defined as the _____.

a. total amount of material a crew places for a given job b. amount of material an individual worker places to complete a job c. amount of material scheduled to be used in a given time d. total amount of material an individual or crew places in a given time

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The turkey breed with the black plumage and dark-colored pinfeathers is the _____

a. Beltsville Small White c. Broad Breasted Large White b. Broad Breasted Bronze d. None of these answers is correct

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Theodore Roosevelt is sometimes called the "first modern president." Interpret this phrase and explain how it fits Roosevelt's conduct of the office.

What will be an ideal response?

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