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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.

Two steps can be directly connected.

True

False

How many rules define the GRAFCET evolution?

3 rules

4 rules

2 rules

5 rules

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

interpreted parallelism

structural parallelism

sequence selection

AND-convergence

The OR divergence is represented by an horizontal line with one immediate preceding connection and

three connections immediate succeeding

one connection immediate succeeding

two connections immediate succeeding

two or more connections immediate succeeding

A source transition does not have any immediate preceding step.

True

False

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

True

False

By Grafcet evolution rule number 4 several transitions which can be simultaneously cleared…

are cleared sequentially

are cleared simultaneously

just one is cleared

are not cleared

A transition to be enabled has to have all the immediate preceding steps active

True

False

A predicate is a logical expression with one or more variables.

True

False

A transition is enabled if one its preceding steps is active.

True

False

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