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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.

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Several steps can be directly linked to a immediate succeeding transition through:

AND-junction

structural parallelism

sequence selection

AND-convergence

Situation, is the Grafcet term used to designate a set of

transitions active in a given instant

steps non active in a given instant

steps active in a given instant

transition-conditions active in a given instant

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

True

False

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

Macro-steps

Non active steps

Enclosing steps

Active steps

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

How many transitions can a pit step have immediate preceding?

None

Two

One

Three or more

The steps skip is a particular case of …

AND-divergence

OR-divergence

AND-convergence

OR-convergence

A source transition does not have any immediate preceding step.

True

False

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

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

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

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