Electric Traction For which of the following locomotives the maintenance requirements are the least? Diesel locomotives Steam locomotives Electric locomotives All of the listed here Diesel locomotives Steam locomotives Electric locomotives All of the listed here 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 Series parallel operation of motors Reduced current method All of the listed here Tap changing control of transformer Series parallel operation of motors Reduced current method All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The rate of acceleration on suburban or urban service is in the range 0.2 to 0.5 km phps 15 to 25 km phps 1.6 to 4.0 km phps 5 to 10 km phps 0.2 to 0.5 km phps 15 to 25 km phps 1.6 to 4.0 km phps 5 to 10 km phps ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the advantage of electric braking? It is instantaneous Motor continues to remain loaded during braking It avoids wear of track More heat is generated during braking It is instantaneous Motor continues to remain loaded during braking It avoids wear of track More heat is generated during braking ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of ___________ free running and coasting periods are generally long. Urban service Mainline service Suburban service All of the listed here Urban service Mainline service Suburban service All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Long distance railways use which of the following? 25 kV three phase A.C. 200 V D.C. 25 kV single phase A.C. 25 kV two phase A.C. 25 kV three phase A.C. 200 V D.C. 25 kV single phase A.C. 25 kV two phase A.C. ANSWER DOWNLOAD EXAMIANS APP
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