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.

In Gracet when an action D is defined as D:=1, it means that that action stops being executed when the associated step is deactivated.

True

False

The steps skip is a particular case of …

AND-divergence

OR-divergence

AND-convergence

OR-convergence

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

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

True

False

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

Step

Transition

Action

Structure

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

Two steps can be directly connected.

True

False

How many rules define the GRAFCET evolution?

3 rules

4 rules

2 rules

5 rules

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

True

False

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

Sorry, "Quizzes" aren't already available!