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Exam 10: Time Control

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Question 1

True/False

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Time-delay relays have a normally open and a normally closed timing contact.

A) True
B) False

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Question 2

Multiple Choice

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The Eagle CX200, solid-state timer, is a microprocessor-based timer/counter. Time or count operation, time range, and standard or reverse start operation are selected via seven miniature ____ switches located inside the unit housing.

A) rocker
B) limit
C) lever
D) rotary

E) None of the above
F) B) and D)

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Question 3

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The SX200 series digital timer described in the text uses ____________________ to retain the set point, actual time values, and program parameters.

The manual-set timer requires manual operation of the timer to start and stop operation.

When reference is made to ____, the time function may start on one or more of the contacts at energization, or at any time after energization during a preset time cycle.

Another form of the reset timer is often called a ____ timer. It is used extensively in programming control. Multiple time periods can be controlled by the adjustment of each individual ON and OFF setting.

A(n) ____________________ function allows a timer to hold its outputs in the last state without resetting the circuit.

It is true that time elapses during nearly every action taking place on a machine. This fact means that a timer is always the best means of control.

The ____________________ timer is used to control a number of electrical circuits in a predetermined sequence.

Generally, ____________________ are devices having a timing function after the timer coil has been energized or deenergized.