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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.

The steps skip is a particular case of …

AND-divergence

OR-divergence

AND-convergence

OR-convergence

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

True

False

A transition-condition…

is always true

can not be time-dependent

can be time-dependent

is always enabled

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

Macro-steps

Non active steps

Enclosing steps

Active steps

Variable Xi represents a Boolean variable such that

if step Xi is active, then Xi=False

if step Xi is active, then Xi=True

if step Xi is deactivated, then Xi=True

if step Xi is deactivated, then Xi=False

The fundamental elements which constitute Grafcet are:

Transitions, Actions and Transition-Conditions

Steps, Transitions and Actions

Transitions, Steps and Direct Links

Transitions, Steps and Transition-Conditions

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

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

True

False

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

True

False

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