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Name,surname....................................................... ................................ TEST 2 -AUTOMATIZARI 1. By way of reaction to an SRA is: ...................................0.5 pt a. automatic controller b. transducer c. actuators d. Compared element 2. Role execution element is: A. to act on technological plant to a command given by the controller B. automatically ... ......................................... ...........................................1 pt B. to change the value of the reference size C. to compare the size of the output with the prescribed value D. to transform a size of notelectic nature in a size of electrical nature 3. In an automated system, regulated size is taken at the exit: .............. 0.5pt a. Automatic regulator b. technical installation c. enhancer element d. Execution element

Test Automatizari

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TESTARE CUNOSTINTE ELEV,AUTOMATIZARI

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Nume i prenume..............

Name,surname.......................................................................................

TEST 2 -AUTOMATIZARI1. By way of reaction to an SRA is: ...................................0.5 pt

automatic controller

transducer

actuators

Compared element

2. Role execution element is:

to act on technological plant to a command given by the controller

automatically ... ....................................................................................1 ptB. to change the value of the reference size

C. to compare the size of the output with the prescribed value

D. to transform a size of notelectic nature in a size of electrical nature3. In an automated system, regulated size is taken at the exit: .............. 0.5pt Automatic regulator

technical installation

enhancer element

Execution element

4. The element that converts a non-electrical physical size in an electric size is called: .................................................................................................................0.5pt

adapter

transduceramplifier

comparator5 Disturbances are sizes that acts of: ...... .....................................0.5pt

Automatic regulator

transducer

technological plant

actuators6. The structural model of a regulator automatically shown in the figure below are marked components of the controller and the physical quantities involved in its operation........3 ptsa. Identify elements of the scheme.:

ECS 0.5pt

A 0.5pt

ERS 0.5pt

B Identify sizes involved in the system. 0.5pt 1 0.5pt

Xrs 0.5pt

7. The figure below presents the structural model of the automatic control system (RAS).

a.Specify the name of the components denoted by 1, 2, 3, 4, 5. 1 pt

b. Explain the functional role of elements denoted by 1, 3 and 5. 1.5pts pts

c. Indicate the size of exercising undue influence on the output quantityof SRA. 0.5 pt

1 point is given defaultScale of AssessmentNr.

subjectCorrect answerHighest scoreAverage

granted

1.1-b; 0.5p

2.2-a

1.0p

3a0.5p

4b0.5p

5c0.5p

6a) ECS - compare secondary element;

A - amplifier;

ERS - secondary reaction element.

b) - leading size;

1 - deviation from the prescribed value;

XRS - size secondary reaction0.5x6=3p

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a) 1-element comparison,

2-automatic controller,

3- actuators,

4- installation technique

5- transducerb) 1 sums mi wirh Xr-;

3 Execution element, change parameters technical installation

5 Transducer change a certain size in electrical size

c) disruptive size0.2x5=1p

1.5p

0.5p

Points of office1

Total10