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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.

A macro-step is a representation of

a set of steps

the Grafcet state

all the logical conditions associated with the transitions

a succeeding steps and transitions

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

In Grafcet which set of steps define the state of the automated system command part?

Macro-steps

Non active steps

Enclosing steps

Active steps

A pit step has only a transition immediate preceding.

True

False

A pit transition can have one or more steps immediate preceding.

True

False

A source transition does not have any immediate preceding step.

True

False

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

interpreted parallelism

structural parallelism

sequence selection

AND-convergence

The timed variables can be associated to…

steps or transitions

actions or transitions

transitions

steps

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

The steps skip is a particular case of …

AND-divergence

OR-divergence

AND-convergence

OR-convergence

Universidade de Trás-os-Montes e Alto Douro Logotipo da UTAD

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