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?

<p>To minimize the risk of electrical shocks to personnel (A)</p> Signup and view all the answers

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

<p>To prevent electrical interference between sections of the rail (C)</p> Signup and view all the answers

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

<p>To increase safety by quickly cutting off power in emergencies (B)</p> Signup and view all the answers

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

<p>By maintaining normal safeguards during emergencies (A)</p> Signup and view all the answers

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

<p>Improves contact with the third rail for efficient power transfer (A)</p> 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?

<p>To ensure that workers are aware of all potential dangers involved (D)</p> Signup and view all the answers

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