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Mechanical-type switches can be subdivided into those operated from linear motion and those operated from ____________________ motion.

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rotary

In proximity limit switches, the distance between the pickup and drop-out point is called the ____.


A) attenuation range
B) hysteresis
C) trip point
D) break curve

E) None of the above
F) All of the above

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The vane-operated limit switch has the advantage of excellent response time, but at the cost of low accuracy.

A) True
B) False

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A(n) ____________________ sensor is an electrical device that responds to a change in the intensity of the light falling on it.

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In discussing the action of limit switches, ____ is the amount of force still applied to the switch plunger at the instant of "snap back" of the contacts to the unoperated condition.


A) operating force
B) release force
C) attenuation force
D) hysteresis

E) A) and B)
F) A) and C)

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A SLO-SYN stepping motor can operate from a single-phase power source.

A) True
B) False

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In some cases position information must be reliable to .001 inch or less.

A) True
B) False

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True

In closed-loop control applications it is necessary to convert some physical property into an electrical signal. The components that carry out this conversion are known as ____.


A) amplifiers
B) armatures
C) signal processors
D) transducers

E) A) and B)
F) B) and D)

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D

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