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Railway Engineering MCQ

What does Live Connected refer to?

An electrical supply

A water supply

A fiber-optic connection

A wireless network

Answer

Correct Answer: An electrical supply

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What is necessary for electrical equipment to be isolated?

Disconnection from all sources of electricity supply in a secure way

Connecting to a grounded source

Adding extra insulation

Connecting to a separate power source

Answer

Correct Answer: Disconnection from all sources of electricity supply in a secure way

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What does Isolation refer to?

The action of causing electrical sections or sub-sections of the OLE or CRE to be isolated

The practice of separating people from the general population

The action of disconnecting electrical power

Creating a barrier between substances or objects

Answer

Correct Answer: The action of causing electrical sections or sub-sections of the OLE or CRE to be isolated

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What is the purpose of isolating electrical equipment?

Energy saving

Prevent electric shock

Disconnect it from all sources of electrical supply

Increase the voltage

Answer

Correct Answer: Disconnect it from all sources of electrical supply

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How much volts is used to electrify a line?

25,000 volts AC or 750 volts DC

10,000 volts AC

20,000 volts DC

5,000 volts AC

Answer

Correct Answer: 25,000 volts AC or 750 volts DC

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What is a Conductor Rail?

A rail constructed to protect the tracks from weather damage

A rail through which electricity is supplied to electric-powered trains.

A railway line used to transport passengers

A railway line used to transport freight

Answer

Correct Answer: A rail through which electricity is supplied to electric-powered trains.

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