
Tema 5. Instalaciones de televisión y radio
Authored by CHRISTIAN LÓPEZ
Engineering
Professional Development
Used 5+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para recibir la señales de TV en una vivienda, es necesario:
Un mástil.
Una torreta.
Un amplificador.
Una antena.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la actualidad, la TDT utiliza la banda de frecuencias:
UHF.
FM.
DAB.
VHF.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuáles de las siguientes forma parte de una antena de UHF?:
Vientos.
Dipolo.
Perrillos.
Reflector.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En un mismo mástil, las antenas deben estar separadas entre sí como mínimo:
0,5 m.
70 cm.
1 m.
2 m.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se denominan vientos:
A los sistemas de recepción de una antena.
A los anclajes de los que dispone el conjunto de la antena para evitar que se caiga.
A los elementos denominados dipolos.
A los tipos de torreta en los que se fijan las antenas de grandes dimensiones.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los tensores:
Permiten aumentar la ganancia de una antena.
Son los elementos sobre los que se apoyan los mástiles.
Son un tipo de base para las torretas.
Permiten tensar el cable de los vientos.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El cable utilizado en instalaciones receptoras de televisión y radio es:
De pares trenzados de 75 ohmios
Coaxial de 75 ohmios
Coaxial de 35 ohmios
Paralelo de 75 ohmios
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