Upload
valentin-gheorghe
View
9
Download
7
Embed Size (px)
DESCRIPTION
TESTARE CUNOSTINTE ELEV,AUTOMATIZARI
Citation preview
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