test automatizari

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

7

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