Electric Traction Long distance railways use which of the following? 25 kV single phase A.C. 25 kV two phase A.C. 200 V D.C. 25 kV three phase A.C. 25 kV single phase A.C. 25 kV two phase A.C. 200 V D.C. 25 kV three phase A.C. ANSWER DOWNLOAD EXAMIANS APP
Electric Traction An ideal traction system should have High starting tractive effort All of the listed here Easy speed control Equipment capable of withstanding large temporary loads High starting tractive effort All of the listed here Easy speed control Equipment capable of withstanding large temporary loads ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following state capitals is not on broad gauge track ? Jaipur Chandigarh Bhopal Lucknow Jaipur Chandigarh Bhopal Lucknow ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the disadvantage of electric traction over other systems of traction? High capital outlay in fixed installations beside route limitation Short time power failure interrupts traffic for hours Corrosion problems in the underground pipe work Interference with communication lines High capital outlay in fixed installations beside route limitation Short time power failure interrupts traffic for hours Corrosion problems in the underground pipe work Interference with communication lines ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Energy consumption in propelling the train is required for which of the following? Work against the resistance to motion All of the listed here Work against gravity while moving up the gradient Acceleration Work against the resistance to motion All of the listed here Work against gravity while moving up the gradient Acceleration ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction? Tap changing control of transformer All of the listed here Reduced current method Series parallel operation of motors Tap changing control of transformer All of the listed here Reduced current method Series parallel operation of motors ANSWER DOWNLOAD EXAMIANS APP
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