Normas y Reglamentos Eléctricos: Cuestionarios de Aprendizaje para Inglés Técnico

Question 1

The International Electrotechnical Commission (IEC) is responsible for:

Accepted Answer

Developing and publishing international electrical standards.

Answer

Enforcing electrical safety codes

Answer

Certifying electrical equipment

Question 2

The purpose of a residual current device (RCD) is to:

Accepted Answer

Protect against electric shock by detecting leakage currents.

Answer

Isolate faulty circuits

Answer

Prevent short circuits

Question 3

The main purpose of an equipotential bonding system is to:

Accepted Answer

Equalize the electrical potential of conductive surfaces to minimize the risk of electric shock.

Answer

Improve grounding effectiveness

Answer

Prevent electromagnetic interference

Question 4

The National Electrical Code (NEC) is the primary electrical safety code in the:

Accepted Answer

United States

Answer

European Union

Answer

United Kingdom

Answer

Australia

Question 5

The primary objective of electrical maintenance is to:

Accepted Answer

Ensure the safety and reliability of electrical systems.

Answer

Reduce energy consumption

Answer

Improve system efficiency

Question 6

¿Qué norma establece los requisitos mínimos de seguridad para las instalaciones eléctricas de baja tensión en España?

Accepted Answer

REBT (Reglamento Electrotécnico de Baja Tensión)

Answer

IEC 60364

Answer

EN 50110-1

Answer

UNE 20430-1

Question 7

¿Cuál es el objetivo principal de las medidas de protección en las instalaciones eléctricas?

Accepted Answer

Evitar riesgos de electrocución, incendio y daños a los equipos

Answer

Asegurar el correcto funcionamiento de los equipos

Answer

Mejorar la eficiencia energética

Question 8

¿Qué tipo de conexión eléctrica garantiza la continuidad del suministro eléctrico en caso de fallo de una de las líneas?

Accepted Answer

Redundancia

Answer

Paralelo

Answer

Conexión a tierra

Answer

Serie

Question 9

¿Cuál es la función principal de un disyuntor diferencial?

Accepted Answer

Detectar fugas de corriente a tierra y desconectar el circuito para evitar electrocuciones

Answer

Proteger contra cortocircuitos

Answer

Almacenar energía eléctrica

Answer

Regular la intensidad de la corriente

Question 10

¿Qué color de aislamiento indica el conductor neutro en una instalación eléctrica?

Accepted Answer

Azul

Answer

Tierra

Answer

Protección

Answer

Fase

Question 11

¿Qué tipo de material es obligatorio utilizar en los conductores eléctricos, según el reglamento?

Accepted Answer

Cobre o aluminio

Answer

Plástico

Answer

Hierro

Answer

Cemento

Question 12

¿Qué norma española regula fundamentalmente la seguridad en las instalaciones eléctricas de baja tensión?

Accepted Answer

Reglamento Electrotécnico para Baja Tensión (REBT)

Answer

Real Decreto 842/2002

Answer

Código Técnico de la Edificación (CTE)

Answer

Norma UNE-EN 60204-1

Question 13

¿Qué tipo de protección se emplea para evitar contactos directos con partes activas?

Accepted Answer

Aislamiento

Answer

Protección contra sobreintensidades

Answer

Puesta a tierra

Answer

Interruptor diferencial

Question 14

¿Cuál de las siguientes medidas de protección se considera indirecta?

Accepted Answer

Puesta a tierra

Answer

Interruptor diferencial

Answer

Protección contra sobreintensidades

Answer

Aislamiento

Question 15

¿Qué tipo de conductor se destina específicamente a la toma de tierra?

Accepted Answer

Conductor de protección

Answer

Conductor neutro

Answer

Conductor de retorno

Answer

Conductor activo

Question 16

¿Cuál es la principal función de un interruptor automático?

Accepted Answer

Proteger contra sobreintensidades

Answer

Proteger contra cortocircuitos

Answer

Proteger contra contactos indirectos

Answer

Proteger contra sobretensiones

Question 17

¿Qué tipo de iluminación se caracteriza por su alta eficiencia energética?

Accepted Answer

LED

Answer

Fluorescente

Answer

Halógena

Answer

Incandescente

Question 18

¿Qué tipo de cable es más adecuado para instalaciones subterráneas?

Accepted Answer

Cable armado

Answer

Cable de par trenzado

Answer

Cable unipolar

Answer

Cable multiconductor

Question 19

¿Qué tipo de transformador se emplea para aumentar la tensión en un circuito eléctrico?

Accepted Answer

Transformador elevador

Answer

Transformador reductor

Answer

Transformador de aislamiento

Answer

Transformador autotransformador

Question 20

¿Cuál es la función de un relé térmico en un sistema eléctrico?

Accepted Answer

Proteger contra sobrecargas

Answer

Proteger contra cortocircuitos

Answer

Proteger contra contactos indirectos

Answer

Proteger contra sobretensiones

Question 21

What is the main goal of the Reglamento Electrotécnico para Baja Tensión (REBT) in Spain?

Accepted Answer

To ensure the safety of people and property in electrical installations.

Answer

To establish standards for electrical wiring colors across the European Union.

Answer

To regulate the use of renewable energy sources in Spain.

Answer

To control the production and distribution of electricity in Spain.

Question 22

Which of the following is NOT directly addressed by the REBT's focus on electrical safety?

Accepted Answer

The design and efficiency of solar panels for residential use.

Answer

Safe installation and maintenance of electrical equipment.

Answer

Protection against electric shock hazards.

Answer

Prevention of fires caused by electrical faults.

Question 23

In a commercial building, where would you find the REBT chapter outlining the requirements for grounding systems?

Accepted Answer

Chapter 4: Protection against indirect contact.

Answer

Chapter 8: Electrical equipment.

Answer

Chapter 6: Cables.

Answer

Chapter 2: Interior installations.

Question 24

What does the acronym 'IT' refer to in electrical systems, and what type of system does it describe?

Accepted Answer

IT stands for 'Isolated Transformer', and it describes a system where the neutral point is isolated from ground.

Answer

IT stands for 'Integrated Technology', and it describes a system incorporating smart grid technology.

Answer

IT stands for 'Insulated Terminal', and it describes a system with double insulation.

Question 25

According to the REBT, what is the maximum current rating allowed for a circuit breaker protecting a lighting circuit in a residential building?

Accepted Answer

16A

Answer

32A

Answer

100A

Answer

63A

Question 26

In standard electrical installations, which color is typically used to identify the protective earth (ground) conductor?

Accepted Answer

Yellow and green stripes

Answer

Red

Answer

Black

Answer

Blue

Question 27

What is the primary function of an 'interruptor diferencial' (RCD) in an electrical system?

Accepted Answer

To detect and interrupt electrical faults involving leakage current to earth, preventing electric shocks.

Answer

To regulate the voltage supplied to electrical appliances.

Answer

To control the flow of electricity to specific circuits.

Question 28

What document is commonly used to record details of an electrical installation, ensuring compliance with the REBT?

Accepted Answer

Certificado de instalación eléctrica

Answer

Planos de la construcción

Answer

Contrato de mantenimiento

Answer

Factura de compra de materiales

Question 29

When working on a live electrical system, what is the most crucial safety measure?

Accepted Answer

Use properly insulated tools and safety equipment.

Answer

Work quickly to minimize exposure.

Answer

Turn off the power supply to the system.

Answer

Use a non-conductive ladder.