Notions
- Elementary
- GRAFCET Elements
- Transition-Conditions
- Evolution Rules
Structures
- Elementary
- Sequences
- Selection of Sequences
- Backward Skip and Jump Skip
- Parallelism
- Actions I
- Actions II
- Advanced
- Source and Pit
- Macro Steps
- Timers
Examples
Quizzes
Links
About
- Dashboard
- Evaluation Tests
- Português
- English

Make a quiz

Home Page
Quizzes
Make a quiz

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.

Two steps can be directly connected.

True

False

A source transition does not have any immediate preceding step.

True

False

A transition-condition (receptivity) is every logical function associated to each

Step

Transition

Action

Structure

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

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

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”

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

True

False

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

The execution time of a continuous action

is equal to the activation time of the associated step.

is equal to the deactivation time of the associated step.

is larger than the activation time of the associated step.

is less than the time of activation of the associated step.

A pit step has only a transition immediate preceding.

True

False

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

Sorry, "Quizzes" aren't already available!