Electric Traction Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction? Reduced current method Series parallel operation of motors All of the listed here Tap changing control of transformer Reduced current method Series parallel operation of motors All of the listed here Tap changing control of transformer ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following drives is suitable for mines where explosive gas exists? Battery locomotive Steam engine Diesel engine All of the listed here Battery locomotive Steam engine Diesel engine All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the advantage of electric braking? It is instantaneous It avoids wear of track Motor continues to remain loaded during braking More heat is generated during braking It is instantaneous It avoids wear of track Motor continues to remain loaded during braking More heat is generated during braking ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the disadvantage of electric traction over other systems of traction? Short time power failure interrupts traffic for hours High capital outlay in fixed installations beside route limitation Corrosion problems in the underground pipe work Interference with communication lines Short time power failure interrupts traffic for hours High capital outlay in fixed installations beside route limitation Corrosion problems in the underground pipe work Interference with communication lines ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Main traction systems used in India are, those using All of the listed here Diesel engine locomotives Steam engine locomotives Electric locomotives All of the listed here Diesel engine locomotives Steam engine locomotives Electric locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _________ locomotive has the highest operational availability. Electric Diesel Steam All of the listed here Electric Diesel Steam All of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS