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- GRAFCET Elements
- Transition-Conditions
- Evolution Rules
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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 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

How many transitions can a pit step have immediate preceding?

None

Two

One

Three or more

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

A transition-condition…

is always true

can not be time-dependent

can be time-dependent

is always enabled

The steps skip is a particular case of …

AND-divergence

OR-divergence

AND-convergence

OR-convergence

A pit step has only a transition immediate preceding.

True

False

A source transition does not have any immediate preceding step.

True

False

GRAFCET abbreviation derives from

“GRAphe de Fonctionement Commande Étape-Transition”

“GRAphe Functionnel de Commande Étape-Transition”

“Graphe de AFCET”

“GRAphe de AF Commande Étape-Transition”

How many rules define the GRAFCET evolution?

3 rules

4 rules

2 rules

5 rules

Grafcet evolution rule number 5 states that, when a step is simultaneously activated and deactivated it remains active!

True

False

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