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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.

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

True

False

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

Two steps can be directly connected.

True

False

A pit step has only a transition immediate preceding.

True

False

The timed variables can be associated to…

steps or transitions

actions or transitions

transitions

steps

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 (receptivity) is every logical function associated to each

Step

Transition

Action

Structure

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

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