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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 pit transition can have one or more steps immediate preceding.

True

False

The timed variables can be associated to…

steps or transitions

actions or transitions

transitions

steps

A transition-condition…

is always true

can not be time-dependent

can be time-dependent

is always enabled

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 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

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

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

Step

Transition

Action

Structure

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

Macro-steps

Non active steps

Enclosing steps

Active steps

A transition-condition is

all the logical functions associated to each step

always true

all the logical functions associated to each transition

all the logical functions associated to each step and each transition

Grafcet evolution rule number 5 states that, when a step is simultaneously activated and deactivated it remains active!

True

False

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