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- GRAFCET Elements
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How-to

Each quiz has 10 multiple-choice questions.

Select the answer that considers correct.

Only after submit the quiz, the responses will be validated.

At the end of the quiz it is reported the result and the test summary.

The timed variables can be associated to…

steps or transitions

actions or transitions

transitions

steps

How many transitions can a pit step have immediate preceding?

None

Two

One

Three or more

A transition-condition (receptivity) is every logical function associated to each

Step

Transition

Action

Structure

The selection of sequence(s) is used when it is desired that the Grafcet evolves:

through one sequence

through one (or more) sequence(s)

through several sequences

through none sequence

When a transition is enabled and the associated condition is true, the transition is not cleared.

True

False

A source transition does not have any immediate preceding step.

True

False

A transition-condition is

all the logical functions associated to each step

always true

all the logical functions associated to each transition

all the logical functions associated to each step and each transition

A pit step has only a transition immediate preceding.

True

False

A transition-condition…

is always true

can not be time-dependent

can be time-dependent

is always enabled

A step can be connected to several transitions immediate succeeding by using a:

interpreted parallelism

structural parallelism

sequence selection

AND-convergence

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