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- GRAFCET Elements
- Transition-Conditions
- Evolution Rules
Structures
- Elementary
- Sequences
- Selection of Sequences
- Backward Skip and Jump Skip
- Parallelism
- Actions I
- Actions II
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- Macro Steps
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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

A transition-condition…

is always true

can not be time-dependent

can be time-dependent

is always enabled

How many rules define the GRAFCET evolution?

3 rules

4 rules

2 rules

5 rules

The timed variables can be associated to…

steps or transitions

actions or transitions

transitions

steps

A pit step has only a transition immediate preceding.

True

False

Two steps can be directly connected.

True

False

What enables to perform the steps skip is

the interpretation of the transition-conditions

the step control

the Grafcet situation

none of the previous options

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

interpreted parallelism

structural parallelism

sequence selection

AND-convergence

The OR divergence is represented by an horizontal line with one immediate preceding connection and

three connections immediate succeeding

one connection immediate succeeding

two connections immediate succeeding

two or more connections immediate succeeding

A predicate is a logical expression with one or more variables.

True

False

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

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