Electric Traction
Main traction systems used in India are, those using

All of the listed here
Diesel engine locomotives
Electric locomotives
Steam engine locomotives

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Electric Traction
Which of the following is the disadvantage of electric traction over other systems of traction?

Interference with communication lines
Corrosion problems in the underground pipe work
Short time power failure interrupts traffic for hours
High capital outlay in fixed installations beside route limitation

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