Electrical ppt 2

Electrical ppt 2

Vocational training

11 Qs

quiz-placeholder

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Electrical ppt 2

Electrical ppt 2

Assessment

Quiz

Construction

Vocational training

Practice Problem

Medium

Created by

mike coldman

Used 3+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component in the diagram is responsible for increasing the voltage?

Generator

Turbine

Step Up Transformer

Power Station

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of transmitting electricity at very high voltages?

To increase power loss

To reduce power loss

To make electricity cheaper

To make electricity safer

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the extraneous metallic pipework in the TN-C-S system?

To provide water supply

To act as a heat exchanger

To connect central heating systems

To support the structure

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does TN-C-S stand for in electrical systems?

Terra Neutral Combined Separate

Terra Neutral Combined System

Terra Neutral Common System

Terra Neutral Circuit System

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary material used for the cold water supply pipework in the TN-C-S system?

Steel

Copper

Plastic

Aluminum

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a TT earthing arrangement require?

A metal plate

An earth rod

A plastic pipe

A wooden stake

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of coil is used as the secondary coil in a substation transformer for three-phase supplies?

Delta

Star

Circular

Square

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