What is the purpose of a hand-off-automatic circuit?

What will be an ideal response?


The purpose is to give the operator three operating modes; a manual hand position, off, and an automatic position where the pilot device automatically controls the control coil.

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A ____ section is a view of an object which is imagined to be cut entirely in half, with half of the object then removed so that the cut surface can be viewed for its details.

A. partial B. full C. print D. cut out

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The role of digestion is to reduce feed particles to molecules so than can be absorbed into the blood

Indicate whether this statement is true or false.

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Trigonometry is the branch of mathematics that is used to compute unknown angles and sides of triangles.

Answer the following statement true (T) or false (F)

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What was the first PLC released?

A. Modicon 084 B. PDQ-11 C. Simatic S4 D. Series 6

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