Problems and questions based on the minimum contents of Technology 3º THAT
It explains that they are the Thermoplastic ones. Two examples of this plastic type
Heat-stable. Fundamental properties.
It draws the molecular network of each plastic type and justifies the properties that it has on the basis of the network
What makes to the elastomer be so elastic?
It explains with the help of a drawing the manufacture by extrusion.
With the help of a drawing, it explains of what it consists the method of Injection and it names some example of an object that makes by that system
Influence of the heat in Thermoplastic and the Heat-stable ones
Because each plastic requires a type of glue to unite them?
Ecological properties of plastics.
Process of Polymerisation
That happens to him to a heat-stable one if we warmed up too much to him?
Similarities and differences between the materials made with clays and glasses
As the flat glass makes.
Operation of tempering in the manufacture process. That function has?
What are the material binders? . Examples
Tensile strenght from largest to smallest enumerates three materials used in the construction
Just like the previous exercise but with the traction
Differences between the reinforced concrete and the prestressed one.
As the Reinforced concrete makes.
To calculate the density of a stone of 500 kg that when entering it a bathtub filled with water, evacuate 250 liters of water
Examples of stony materials:
It realises a drawing of a house of two plants and indicates all the more important constructive elements
As one makes the ceramic materials?
Types of handle. He explains as he works. An example of each type writes
Relation that exists between the force which they appear in a handle. The USA for the explanation with a simple example
In the following image we have a game of gears. If the wheel To tour to the right at a speed of 40 rpm, To calculate the direction of rotation of wheel D, if we have the following data: Teeth of A, Give = 100, Teeth of wheel B, that is to say, Db = 60, 20 Dc = and Dd = 15
In the handle of the figure, that it forces it is necessary to exert if we have a load of 1000 Nw to a distance of 2 meters of the strongpoint?
In the system of movable and fixed pulleys, to calculate the force that there is to apply in the end of the cord to maintain the weight
That type of handle is the left. What force is necessary to apply in the end of the handle?
It completes the hollows of the detail in the figure
It explains the motor of 4 times
It draws the fundamental parts of the turbojet and explains as it works.
Principle of action reaction
Differences between a diesel engine and one of gasoline
In order to remove a screw it is necessary to apply a force of 2000 Nw. It is used some pliers as the represented one in the figure. To say to that type of handle belongs and calculating the force that there is to exert in the handle (extreme)
He defines the electrical current. Difference between the DC and the AC voltage.
What is the resistance. How one is moderate.
Law that relates the current and the resistance
Difference between Energy and Power. Units that are used
In the shipper of a mobile it comes the following data: 220 V-100 mA (1 mA = 0.001 A). a) Calculates power b) Energy consumed to the year if it connects during 6 hours every 4 days. That we phelp if the Kwh costs 0.18 €/kWh.
It realises a drawing of a thermal power plant and explains each component
That function has the transformer?
In the circuit of the figure, to calculate the current that leaves the battery.
To calculate the value of the equivalent Resistance of this circuit. 3º resistance is of 10 Kilo-Ohm.
In the following circuit, to calculate the current that leaves the battery
To calculate the intensity that happens through each resistance
To calculate the equivalent resistance of the following circuit
Differences between pulser, switch and commutator. Electrical symbol of each.
So that a race aim is used?
Types of renewable and nonrenewable energy.
Thermal solar power station. Operation. Differences between the photovoltaic lot.
Gas thermal power plant. It explains the function of each element that composes it (the basic ones)
Function of the transformer in the power plant
Aeolian energy. It explains as one takes place and it draws a small installation
In a hydroelectric power station the energy of the water is used to produce electricity. It explains as it is obtained
Function of the turbine in the power plant. Where it is necessary and where no?
That advantages has a vectorial program with respect to one of points?
Digital file compression with and without loss of quality. Of what each consists, since it becomes and examples of each
Formats of images that can turn in the navigators without needing pluggins.
What is a pixel?
Definition of resolution in a map of points
It explains that it is the depth of color
What mean abbreviations CAD and to what are applied?
Utilities of the spreadsheet.
As a graph within a spreadsheet is applied?
In the program of Open office, we have the following functions: a) AVERAGE, b) POWER, c) PRODUCT. As we arrived at them and how they are used
As a cell of a data base is protected
We have a depth of color of 6 bits. To calculate the number of colors
Differences between a servant and a client
Meaning of LAN MAN and WAN.
Functions of router
Differences between a concentrator, a commutator and router.
Why it serves to the commando ipconfig as the console of Windows?
The average ones to transmit data are, mainly 3. Each type with his advantages and disadvantages explains
Public and private directions IP. Differences. It writes 3 examples of IP
It writes 4 directions IP for four equipment of the same network
What is a network P2P?
It explains what is protocol TCP/IP.
Why it serves to the order ping?
In an asymmetric connection to Internet, the speed of slope and ascent are not the same. What is greater. What would happen if it were the other way around?
It indicates what data you need to form an e-mail account.
Programs of instantaneous mail. It explains that they are
It defines that they are the social networks. Examples
The program that is used to sail denominates ___________
Utility of servers DNS
Name of domain. Meaning
Of what the communication in packages in protocol TCP/IP consists
Types of mesh wirings. Advantages and disadvantages of each