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Rapid Transit Electrical System - ITE College West

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Rapid Transit Electrical System - ITE College West

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Questions and Answers

What is the purpose of a permit required for maintenance work in a rapid transit electrical system?

To increase the number of hazards in the work area

To avoid the need for defined safe procedures

To ensure that normal safeguards are maintained during the work (correct)

To speed up the maintenance process without considering hazards

When is a permit required for maintenance work in a rapid transit electrical system?

When normal safeguards can be maintained during the work

When safe procedures have not been defined

When all hazards have been considered

When new hazards are introduced by the work (correct)

What type of work in a rapid transit electrical system may require a permit for maintenance?

Routine maintenance tasks like cleaning

Regular maintenance tasks without any risks

Emergency repairs without any hazards involved

Entry into vessels and hot work (correct)

Why do third rail components need to be carefully designed in a rapid transit system?

To minimize the risk of electrical shocks to personnel Signup and view all the answers

What is the purpose of maintaining bridgeable and unbridgeable gaps in a rapid transit electrical system?

To prevent electrical interference between sections of the rail Signup and view all the answers

Why is an emergency traction tripping system crucial in a rapid transit electrical system?

To increase safety by quickly cutting off power in emergencies Signup and view all the answers

How does the emergency traction tripping system contribute to safety in a rapid transit electrical system?

By maintaining normal safeguards during emergencies Signup and view all the answers

What effect does a properly designed collector shoe have on a rapid transit electrical system?

Improves contact with the third rail for efficient power transfer Signup and view all the answers

Why is it important to have a clear record that all foreseeable hazards have been considered before starting work in a rapid transit electrical system?

To ensure that workers are aware of all potential dangers involved Signup and view all the answers